Explore 61,963 Species
Arum italicum Mill.
Arum italicum Mill.
Arum italicum Mill. is a poisonous ornamental aroid with variable subspecies nat…
Arum maculatum L.
Arum maculatum L.
Arum maculatum L., also called cuckoo pint, is a poisonous woodland monocot that…
Arum orientale M.Bieb.
Arum orientale M.Bieb.
Arum orientale M.Bieb. is a poisonous aroid with insect-trapping flowers that gr…
Aruncus dioicus (Walter) Fernald
Aruncus dioicus (Walter) Fernald
Aruncus dioicus is a tall ornamental flowering plant with edible young shoots an…
Arundina graminifolia (D.Don) Hochr.
Arundina graminifolia (D.Don) Hochr.
Arundina graminifolia is a terrestrial perennial orchid with distinct growth, fl…
Arundinaria gigantea (Walter) Muhl.
Arundinaria gigantea (Walter) Muhl.
Arundinaria gigantea (giant river cane) is a native North American fire-dependen…
Arundinaria tecta (Walter) Muhl.
Arundinaria tecta (Walter) Muhl.
Arundinaria tecta is a low bamboo native to the southeastern US that forms the c…
Arundo donax L.
Arundo donax L.
Arundo donax L. (giant reed) is a large perennial grass with description, ecolog…
Asarum canadense L.
Asarum canadense L.
Asarum canadense, or Canada wild ginger, is a herbaceous perennial native to eas…
Asarum caudatum Lindl.
Asarum caudatum Lindl.
Asarum caudatum is a North American forest understory herb that spreads via rhiz…
Asarum europaeum L.
Asarum europaeum L.
Asarum europaeum L. is a shade-tolerative European groundcover plant with shiny …
Asarum hartwegii S.Watson
Asarum hartwegii S.Watson
Asarum hartwegii, or Hartweg's wild ginger, is a perennial herb endemic to Calif…
Asclepias albicans S.Watson
Asclepias albicans S.Watson
Asclepias albicans (whitestem milkweed) is a desert milkweed that acts as a larv…
Asclepias amplexicaulis Sm.
Asclepias amplexicaulis Sm.
Asclepias amplexicaulis is a toxic North American milkweed that flowers spring t…
Asclepias angustifolia Schweig.
Asclepias angustifolia Schweig.
Asclepias angustifolia, or Arizona milkweed, is a rare Arizona perennial that se…
Asclepias asperula (Decne.) Woodson
Asclepias asperula (Decne.) Woodson
Asclepias asperula, commonly antelope horns milkweed, is a toxic perennial that …
Asclepias californica Greene
Asclepias californica Greene
Asclepias californica is a California-native perennial milkweed, a key monarch h…
Asclepias cinerea Walter
Asclepias cinerea Walter
Asclepias cinerea Walter is a perennial milkweed herb native to the US Southeast…
Asclepias cordifolia (Benth.) Jeps.
Asclepias cordifolia (Benth.) Jeps.
Asclepias cordifolia, or heart-leaf milkweed, is a perennial native milkweed wit…
Asclepias cryptoceras S.Watson
Asclepias cryptoceras S.Watson
Asclepias cryptoceras, a North American Great Basin milkweed, was used medicinal…
Asclepias curassavica L.
Asclepias curassavica L.
Asclepias curassavica, tropical milkweed, is a milkweed species cultivated for b…
Asclepias curtissii A.Gray
Asclepias curtissii A.Gray
Asclepias curtissii, or Curtiss's milkweed, is a toxic Florida deciduous milkwee…
Asclepias eriocarpa Benth.
Asclepias eriocarpa Benth.
Asclepias eriocarpa is a toxic perennial milkweed native to western North Americ…
Asclepias erosa Torr.
Asclepias erosa Torr.
Asclepias erosa is a perennial milkweed herb, historically used for chewing gum …
