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Sourgrass

Oxalis montana
Flower Flower

Sourgrass

Oxalis grandis
Oxalis grandis Oxalis grandis Oxalis grandis Oxalis grandis

Sourgrass

Oxalis stricta
Oxalis stricta habit Oxalis stricta habit Oxalis stricta abaxial leaflet surface Oxalis stricta abaxial leaflet surface Oxalis stricta stem Oxalis stricta stem Flowers Flowers Flowers Flowers Plant Plant

Sour Grass

Oxalis
Trifoliolate leaves & 5-petaled white flowers with pink stripes. Trifoliolate leaves & 5-petaled white flowers with pink stripes. Ternate leaves & pink, 5-petaled flowers. Ternate leaves & pink, 5-petaled flowers. Pink, 5-petaled flowers with darker striations. Pink, 5-petaled flowers with darker striations. Close-up of the pink, 5-petaled flower. Close-up of the pink, 5-petaled flower. Ternate leaves & yellow, 5-petaled flowers. Ternate leaves & yellow, 5-petaled flowers. Entire plant with roots and rhizomes exposed Entire plant with roots and rhizomes exposed
19 Cultivars/Varieties

Sour Gum

Nyssa sylvatica
Tree with dense ovoid crown Tree with dense ovoid crown Flower and Leaves Detail Flower and Leaves Detail tree trunk with brown, furrowed bark. tree trunk with brown, furrowed bark. Fall Leaves, bright scarlet. Fall Leaves, bright scarlet. Young tree with new leave emerging coppery red. Young tree with new leave emerging coppery red. Staked, erect shoot bearing alternate simple reddish leaves. Staked, erect shoot bearing alternate simple reddish leaves.
14 Cultivars/Varieties

Sour Gum

Nyssa aquatica
Stand of trees with swollen, flaring trunk bases Stand of trees with swollen, flaring trunk bases leafy shoot with small green flower buds leafy shoot with small green flower buds Stand of trees with swollen, flaring trunk bases Stand of trees with swollen, flaring trunk bases Foliage showing alternate, ovate, simple leaves. Foliage showing alternate, ovate, simple leaves. Stand of trees with swollen, flaring trunk bases Stand of trees with swollen, flaring trunk bases

Sour Orange

Citrus x aurantium

Sours

Oxalis montana
Flower Flower

Sour Weed

Rumex acetosella
Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella Rumex acetosella

Sourwood

Oxydendrum arboreum
Oxydendrum arboreum showing red leaves of autumn. Oxydendrum arboreum showing red leaves of autumn. Flowers Flowers Oxydendrum arboreum leaves in the fall in Moore County Oxydendrum arboreum leaves in the fall in Moore County Oxydendrum arboreum Oxydendrum arboreum Oxydendrum arboreum Oxydendrum arboreum Oxydendrum arboreum Oxydendrum arboreum
2 Cultivars/Varieties

South African Daisy

Arctotis stoechadifolia
Flower Flower flower and form flower and form Flower Flower Flower Flower Flower Flower Flower Flower

South African Sagewood

Buddleja salviifolia
Detail of purp;e cluster of flowers Detail of purp;e cluster of flowers Fub in flowerorm of shr Fub in flowerorm of shr Form growing in its native South Africa Form growing in its native South Africa Leafy shoot bearing small lavender flowers at its tip. Leafy shoot bearing small lavender flowers at its tip. Leaf detail Leaf detail

South African Sage Wood

Buddleja salviifolia
Detail of purp;e cluster of flowers Detail of purp;e cluster of flowers Fub in flowerorm of shr Fub in flowerorm of shr Form growing in its native South Africa Form growing in its native South Africa Leafy shoot bearing small lavender flowers at its tip. Leafy shoot bearing small lavender flowers at its tip. Leaf detail Leaf detail

South American Hollyhock

Callianthe megapotamica
Flower, late spring, Wake County, NC Flower, late spring, Wake County, NC Callianthe megapotamica Callianthe megapotamica Callianthe megapotamica Callianthe megapotamica Callianthe megapotamica Callianthe megapotamica April Flowers (Wake County, NC) April Flowers (Wake County, NC) Flower & Leaves - Fall - Wake Co., NC Flower & Leaves - Fall - Wake Co., NC
5 Cultivars/Varieties

South American jelly palm

Butia odorata
Two short palms with gray, pinnate, arching leaves. Two short palms with gray, pinnate, arching leaves. Solitary thick-trunked palm with arching pinnate leaves. Solitary thick-trunked palm with arching pinnate leaves. Butia capitata Butia capitata Butia capitata Butia capitata cluster of large, yellow fruits cluster of large, yellow fruits fallen fruits and endocarps in the grass below a palm. fallen fruits and endocarps in the grass below a palm.

Southeastern Noseburn

Tragia urens
Plant in bloom (Bladen County, NC)-Early Summer Plant in bloom (Bladen County, NC)-Early Summer Small flowers (Bladen County, NC)-Early Summer Small flowers (Bladen County, NC)-Early Summer Front and back of leaves (Bladen County, NC)-Early Summer Front and back of leaves (Bladen County, NC)-Early Summer Hairy leaves and stem (Bladen County, NC)-Early Summer Hairy leaves and stem (Bladen County, NC)-Early Summer Capsule with hairs (Bladen County, NC)-Early Summer Capsule with hairs (Bladen County, NC)-Early Summer Side view of capsule (Bladen County, NC)-Early Summer Side view of capsule (Bladen County, NC)-Early Summer

Southeastern Prickly-pear Cactus

Opuntia mesacantha
Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha 'Variegata' Opuntia Monacantha Opuntia Monacantha

Southeastern Tickseed

Coreopsis gladiata
Sickle tickseed found in Pender County, NC. Sickle tickseed found in Pender County, NC. Sickle tickseed flower found in Brunswick County, NC. Sickle tickseed flower found in Brunswick County, NC. flower flower

Southern Arrowwood

Viburnum dentatum
Viburnum dentatum Viburnum dentatum Flower detail Flower detail Flower with butterfly Flower with butterfly Leaves and new growth Leaves and new growth Fruits Fruits Stem and bud Stem and bud
9 Cultivars/Varieties

Southern Balsam

Abies fraseri
Abies fraseri tree Abies fraseri tree Abies fraseri cones Abies fraseri cones Abies fraseri macro Abies fraseri macro Abies fraseri needles Abies fraseri needles Abies fraseri mature tree Abies fraseri mature tree
4 Cultivars/Varieties

Southern Balsamina

Momordica balsamina
Form in June in uMkhanyakude in South Africa Form in June in uMkhanyakude in South Africa Flower in September in Gondola in Mozambique Flower in September in Gondola in Mozambique Fruit in September in uThungulu in South Africa Fruit in September in uThungulu in South Africa Seeds in September in uThungulu in South Africa Seeds in September in uThungulu in South Africa

Southern Bayberry

Myrica cerifera
Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera Myrica cerifera

Southern Beardtongue

Penstemon australis
Form Form Flowers Flowers Flowers Flowers Stem and leaves Stem and leaves Leaves Leaves

Southern Beauty

Passiflora caerulea
Flower Flower Form on a trellis Form on a trellis Passiflora caerulea Passiflora caerulea Form Form Leaves Leaves Vines and tendrils with fruit Vines and tendrils with fruit
1 Cultivar/Variety

Southern Beech Fern

Phegopteris hexagonoptera
View of fronds from above View of fronds from above Underside of frond with reddish sori Underside of frond with reddish sori Frond underside with hairs Frond underside with hairs Wing stem Wing stem frond frond Form Form

Southern Bellflower

Campanula divaricata
Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata

Southern Black Haw

Viburnum rufidulum
Viburnum rufidulum bloom in spring Viburnum rufidulum bloom in spring Viburnum rufidulum's flowers close up Viburnum rufidulum's flowers close up Fall form Fall form Buds in early spring in Moore County Buds in early spring in Moore County Viburnum rufidulum's leaves in the summer in Moore County Viburnum rufidulum's leaves in the summer in Moore County Rusty hairs on stem and leaf Rusty hairs on stem and leaf
1 Cultivar/Variety

Southern Blackhaw Viburnum

Viburnum rufidulum
Viburnum rufidulum bloom in spring Viburnum rufidulum bloom in spring Viburnum rufidulum's flowers close up Viburnum rufidulum's flowers close up Fall form Fall form Buds in early spring in Moore County Buds in early spring in Moore County Viburnum rufidulum's leaves in the summer in Moore County Viburnum rufidulum's leaves in the summer in Moore County Rusty hairs on stem and leaf Rusty hairs on stem and leaf
1 Cultivar/Variety

Southern Bluebell

Campanula divaricata
Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata Campanula divaricata

Southern Blueberry

Vaccinium formosum
Vaccinium formosum Vaccinium formosum Vaccinium formosum Vaccinium formosum

Southern Blueberry

Vaccinium tenellum
Vaccinium tenellum Vaccinium tenellum Vaccinium Tenellum Vaccinium Tenellum

Southern Blue Flag Iris

Iris virginica
Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica Iris virginica
1 Cultivar/Variety

Southern Blue Monkshood

Aconitum uncinatum
Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum Aconitum uncinatum

Southern Bog Asphodel

Triantha racemosa
Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa Triantha racemosa

Southern Bog Clubmoss

Lycopodiella appressa
Form Form Closeup Closeup Form with new shoots Form with new shoots New Growth Closeup New Growth Closeup

Southern Bush Honeysuckle

Diervilla sessilifolia
Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia Diervilla sessilifolia
3 Cultivars/Varieties

Southern Catalpa

Catalpa bignonioides
White flowers with purple speckles and a yellow streak in throat White flowers with purple speckles and a yellow streak in throat white tubular flowers with purple speckles. Large green leaves. white tubular flowers with purple speckles. Large green leaves. Catalpa bignonioides Catalpa bignonioides Catalpa bignonioides Catalpa bignonioides Catalpa bignonioides Catalpa bignonioides Catalpa bignonioides - seed pods on full tree Catalpa bignonioides - seed pods on full tree
4 Cultivars/Varieties

Southern Coastal Redcedar

Juniperus virginiana var. silicicola
Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola Juniperus virginiana var. silicicola

Southern Comfort Coral Bells

Heuchera 'Southern Comfort'
Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' Heuchera 'Southern Comfort' flower and new leaves, spring, Durham County, NC flower and new leaves, spring, Durham County, NC

Southern Crabapple

Malus angustifolia
Malus angustifolia Malus angustifolia Closeup of flowers Closeup of flowers Leaves and blossoms Leaves and blossoms Fruits Fruits

Southern Crabgrass

Digitaria ciliaris
Form in bloom Form in bloom Leaves and growth habit Leaves and growth habit Seed heads Seed heads Growing among rocks Growing among rocks
1 Cultivar/Variety

Southern Crabgrass

Digitaria bicornis
Form Form Leaf Leaf Blooms Blooms Stalk and leaf sheath Stalk and leaf sheath Seeds Seeds

Southern Crab Grass

Digitaria ciliaris
Form in bloom Form in bloom Leaves and growth habit Leaves and growth habit Seed heads Seed heads Growing among rocks Growing among rocks
1 Cultivar/Variety

Southern Crownbeard

Verbesina occidentalis
Flowers Flowers Form in bloom Form in bloom Form Form Leaf detail Leaf detail Underside of leaf Underside of leaf Stem and leaf attachment Stem and leaf attachment

Southern Dewberry

Rubus trivialis
Rubus trivialis Rubus trivialis Spring form (Harlingen, TX)-Mid Spring Spring form (Harlingen, TX)-Mid Spring Spring form (Harlingen, TX)-Mid Spring Spring form (Harlingen, TX)-Mid Spring Hairy stem and leaves (Harlingen, TX)-Mid Spring Hairy stem and leaves (Harlingen, TX)-Mid Spring Berry (McIntosh County, GA)-Mid Spring Berry (McIntosh County, GA)-Mid Spring Fruits and leaves (McIntosh County, GA)-Mid Spring Fruits and leaves (McIntosh County, GA)-Mid Spring

Southern Dwarf Huckleberry

Gaylussacia dumosa
Form in Oct in Fl Form in Oct in Fl Flowers and leaves Flowers and leaves Gaylussacia dumosa Gaylussacia dumosa Gaylussacia dumosa Gaylussacia dumosa Form Form Gaylussacia dumosa Gaylussacia dumosa

Southern Evergreen Blueberry

Vaccinium myrsinites
Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites Vaccinium myrsinites

Southern Florida Pine

Pinus elliottii
Form Form Color illustrations of the technical details of this species. Color illustrations of the technical details of this species. Leaves Leaves Branches Branches Needles Needles Bark Bark
2 Cultivars/Varieties