Plants — 23,508 Species
Top Families in Plants
All Plants Species
brook wakerobin
Pseudotrillium rivale (S.Watson) S.B.Farmer
Pseudotrillium rivale is a trillium-like perennial herb endemic to the Siskiyou Mountains, grown as an awarded garden plant.
Bigcone Douglas-fir
Pseudotsuga macrocarpa (Vasey) Mayr
Pseudotsuga macrocarpa is a California conifer adapted to wildfire, with suspected population decline from more extreme frequent fires.
Douglas-fir
Pseudotsuga menziesii (Mirb.) Franco
Pseudotsuga menziesii, Douglas-fir, is a large evergreen timber tree native to western North America with many ecological and human uses.
Tower Cress
Pseudoturritis turrita (L.) Al-Shehbaz
Pseudoturritis is a Brassicaceae flowering plant genus with a single native biennial or perennial species, Pseudoturritis turrita.
Lowland Horopito
Pseudowintera axillaris (J.R.Forst. & G.Forst.) Dandy
Pseudowintera axillaris (lowland horopito) is a primitive flowering tree endemic to New Zealand with traditional and modern medicinal uses.
Mountain Horopito
Pseudowintera colorata (Raoul) Dandy
Pseudowintera colorata (mountain horopito) is a New Zealand evergreen shrub or small tree grown as a spice, ornamental, and traditional medicine.
California crucillo
Pseudoziziphus parryi (Torr.) Hauenschild
Pseudoziziphus parryi is a thorny deciduous shrub native to desert and chaparral habitats of southern California and Baja California.
strawberry-guava
Psidium cattleianum Afzel. ex Sabine
Psidium cattleianum is a small tree native to Brazil, grown for edible fruit and considered invasive in many introduced tropical regions.
Common guava
Psidium guajava L.
Psidium guajava L., or guava, is a widely cultivated edible fruit tree with many uses, native to the tropical Americas.
Brazilian Guava
Psidium guineense Sw.
Psidium guineense Sw. is an American myrtle shrub or tree with edible fruits, used for lumber, tanning, and traditional medicine.
low woolly marbles
Psilocarphus brevissimus Nutt.
Psilocarphus brevissimus Nutt. is a small woolly annual herb with distinctive cottony spherical flower heads.
slender woolly-marbles
Psilocarphus tenellus Nutt.
Psilocarphus tenellus Nutt. is a small woolly annual herb that produces tiny cottony spherical flower heads.
Whitestem Paperflower
Psilostrophe cooperi (A.Gray) Greene
Psilostrophe cooperi is a low perennial shrub with yellow daisy-like flower heads, native to dry areas. Related species are poisonous to livestock.
woolly paperflower
Psilostrophe tagetina (Nutt.) Greene
Psilostrophe tagetina, or woolly paperflower, is a daisy family flowering plant with traditional Indigenous uses in dye and medicine.
skeleton fork fern
Psilotum nudum (L.) P.Beauv.
Psilotum nudum, the rootless, nonflowering whisk fern, has a wide tropical to temperate distribution and various traditional human uses.
Psittacanthus calyculatus (DC.) G.Don
Psittacanthus calyculatus (DC.) G.Don
Psittacanthus calyculatus is a mistletoe that infects conifers, has bird-dispersed seeds, and a five-year full life cycle.
Tree Fountainbush
Psoralea arborea Sims
Psoralea arborea Sims is a legume shrub or tree endemic to the Cape Provinces of South Africa.
Tree Fountainbush
Psoralea pinnata L.
Psoralea pinnata L. is a flowering legume native to South Africa, invasive in parts of Australia and New Zealand.
Mojave Indigobush
Psorothamnus arborescens (Torr. ex A.Gray) Barneby
Psorothamnus arborescens is a purple-flowered shrub native to dry, desert habitats of southwestern North America.
Dyebush
Psorothamnus emoryi (A.Gray) Rydb.
Psorothamnus emoryi is a 1–1m tall fragrant shrub used for dyes and stains, with grayish-white leaves and purple-white pea flowers.
Nevada smokebush
Psorothamnus polydenius (Torr.) Rydb.
Psorothamnus polydenius is a glandular, hairy shrub that produces pinkish purple pea flowers, with one endemic Utah variety.
indigo-bush
Psorothamnus schottii (Torr.) Barneby
Psorothamnus schottii is a glandular shrub that produces deep purple-blue pea flowers and single-seeded gland-coated legume pods.
Broom Dalea
Psorothamnus scoparius (A.Gray) Rydb.
Psorothamnus scoparius (broom dalea) is a small broom-like shrub native to the southwestern US and northern Mexico.
Smoketree
Psorothamnus spinosus (A.Gray) Barneby
Psorothamnus spinosus is a perennial North American desert legume tree native to washes across the southwestern US and northwestern Mexico.
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