Plants — 23,508 Species

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marmalade-bush
Solanaceae

marmalade-bush

Streptosolen jamesonii (Benth.) Miers

Streptosolen jamesonii is an evergreen shrub used in traditional medicine, with color-changing flowers and a documented toxicity rating.

African mustard
Brassicaceae

African mustard

Strigosella africana (L.) Botsch.

Strigosella africana, or African mustard, is an annual flowering Brassicaceae herb native from the Mediterranean to Asia, invasive in parts of North America.

Pink Strobilanthes
Acanthaceae

Pink Strobilanthes

Strobilanthes cusia (Nees) Kuntze

Strobilanthes cusia is a perennial flowering plant used historically for indigo dye and in traditional Chinese medicine.

Strobilanthes flexicaulis Hayata
Acanthaceae

Strobilanthes flexicaulis Hayata

Strobilanthes flexicaulis Hayata

Strobilanthes flexicaulis is a much-branched subshrub in Acanthaceae, native to the Ryukyus and Taiwan, found by forest streams.

Strobilanthes formosana S.Moore
Acanthaceae

Strobilanthes formosana S.Moore

Strobilanthes formosana S.Moore

Strobilanthes formosana is a Taiwanese perennial herb from the Acanthaceae, whose roots the Paiwan use for blue dye.

Red Flame
Acanthaceae

Red Flame

Strobilanthes reptans (G.Forst.) Moylan ex Y.F.Deng & J.R.I.Wood

Strobilanthes reptans is an ornamental Strobilanthes species native to Tropical Asia, the Subtropical Asia, and West Pacific, that is invasive in some regions.

Goat Horns
Apocynaceae

Goat Horns

Strophanthus divaricatus (Lour.) Hook. & Arn.

Strophanthus divaricatus is a medicinal flowering plant in the Apocynaceae family native to southern China and northern Vietnam.

trailing fuzzy-bean
Fabaceae

trailing fuzzy-bean

Strophostyles helvola (L.) Elliott

Strophostyles helvola is a hairy herbaceous vine native to eastern North America with distinctive curving keel petals on its pea-like flowers.

slickseed fuzzybean
Fabaceae

slickseed fuzzybean

Strophostyles leiosperma (Torr. & A.Gray) Piper

Strophostyles leiosperma is a small herbaceous vining legume native to central and western North America.

perennial wooly bean
Fabaceae

perennial wooly bean

Strophostyles umbellata (Muhl. ex Willd.) Britton

Strophostyles umbellata is a perennial Fabaceae flowering plant native to central and southeastern United States.

Twisted Snowflake
Amaryllidaceae

Twisted Snowflake

Strumaria spiralis (L'Hér.) W.T.Aiton

Strumaria spiralis is an Amaryllidaceae flowering plant native to southwestern South African Cape Provinces.

Pride of Big Pine
Rubiaceae

Pride of Big Pine

Strumpfia maritima Jacq.

Strumpfia maritima is the only species in the monotypic genus Strumpfia, an evergreen coastal shrub found from southern Florida to northern Venezuela.

Ribbed Capespray
Thymelaeaceae

Ribbed Capespray

Struthiola striata Lam.

Struthiola striata, or ribbed capespray, is a South African coastal shrub currently classified as conservationally least concern.

deer fern
Blechnaceae

deer fern

Struthiopteris spicant (L.) Weiss

Struthiopteris spicant is a two-leaf-type fern native to multiple regions, used as cooked famine food and awarded a UK garden merit.

Black Monkey Orange
Loganiaceae

Black Monkey Orange

Strychnos madagascariensis Poir.

Strychnos madagascariensis Poir. is an African poisonous tree with edible fruit pulp and seeds used for fish poisoning.

Spiny monkey orange
Loganiaceae

Spiny monkey orange

Strychnos spinosa Lam.

Strychnos spinosa, the Natal orange, is an African tree with edible fruit that is used in Nigerian traditional medicine.

Fennel-leaf Pondweed
Potamogetonaceae

Fennel-leaf Pondweed

Stuckenia pectinata (L.) Börner

Stuckenia pectinata is a fully submerged aquatic plant that can be a nuisance weed in eutrophic waterways, and its tubers feed waterfowl.

Queen Triggerplant
Stylidiaceae

Queen Triggerplant

Stylidium affine Sond.

Stylidium affine Sond. is a perennial flowering plant native to southwestern Western Australia, growing in open woodland near granite outcrops.

Thrift-leaved Triggerplant
Stylidiaceae

Thrift-leaved Triggerplant

Stylidium armeria (Labill.) Labill.

Stylidium armeria, the thrift-leaved triggerplant, is an Australian native herbaceous perennial triggerplant that bears dark pink-magenta flowers.

Book Triggerplant
Stylidiaceae

Book Triggerplant

Stylidium calcaratum R.Br.

Stylidium calcaratum, the book triggerplant, is an endemic Australian annual triggerplant pollinated by a grey fly.

Grass Triggerplant
Stylidiaceae

Grass Triggerplant

Stylidium graminifolium Sw. ex Willd.

Stylidium graminifolium, a triggerplant native to southeastern Australia, is cultivated for floriculture and is thought to be protocarnivorous.

larchleaf triggerplant
Stylidiaceae

larchleaf triggerplant

Stylidium laricifolium Rich.

Stylidium laricifolium, the giant trigger-plant, is a small perennial subshrub native to eastern Australia.

Common Butterfly Triggerplant
Stylidiaceae

Common Butterfly Triggerplant

Stylidium piliferum R.Br.

Stylidium piliferum R.Br. is a dicotyledonous Stylidium species found in Western Australia.

Climbing Triggerplant
Stylidiaceae

Climbing Triggerplant

Stylidium scandens R.Br.

Stylidium scandens, the climbing triggerplant, is an endemic Australian dicotyledon that climbs over other plants and produces bright pink flowers.

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