Olsynium

Olsynium is a genus of 12 species of flowering plants in the family Iridaceae, with 11 of the species native to South America, and the twelfth to western North America. The genus was formerly often included in the related genus Sisyrinchium.

They are perennial herbaceous bulbiferous plants growing to 10-40 cm tall. The leaves are linear, 4-30 cm long and 1-3 mm broad. The flowers are bell-shaped, with six tepals.


Selected species
Olsynium douglasii (syn. Sisyrinchium douglasii, Sisyrinchium grandiflorum) is a flowering plant in the genus Olsynium, native to western North America from southern British Columbia south to northern California, and east to northwest Utah. It is the only species in the genus Olsynium in North America, the remaining 11 species being from South America. It was formerly treated in the related genus Sisyrinchium. It is a perennial herbaceous bulbiferous plant growing to 10-40 cm tall. The leaves are slender linear, 10-30 cm long and 1.5-3 mm broad. The flowers are bell-shaped, 15-25 mm long, with six purple tepals.

Olsynium filifolium

Olsynium scirpoideum

Olsynium junceum

Olsynium biflorum

Olsynium philippii

Isatis

Isatis is a genus of about 30 species of flowering plants in the family Brassicaceae, native to the Mediterranean region east to central Asia.


Selected Species
Isatis tinctoria - Woad (or glastum) is the... more >>>

Barleria

Barleria is a genus of plants in the family Acanthaceae.

Species
Barleria cristata (Bluebell barleria, Crested Philippine violet, Philippine violet), is an ornamental plant of the Acanthaceae family, which is native of... more >>>

Vanilla

Vanilla is a flavouring derived from orchids in the genus Vanilla native to Mexico. The name came from the Spanish word "vainilla," meaning "little pod."

Vanilla is valued for its sweet flavour and scent and... more >>>

Galtonia

Galtonia is genus of plants,in the family Hyacinthaceae; native to South Africa they are named after Sir Francis Galton. Galtonia candicans, also known as Cape Hyacinth, is much propagated as a garden plant. Another species is the pale green... more >>>

Tetrastigma

Tetrastigma is a genus of plants in the grape family, Vitaceae. The plants are vines that climb with tendrils and have palmately compound leaves. The species are found in subtropical and tropical regions of Asia, Malesia, and Australia.... more >>>