Schizachne purpurascens
Schizachne is a monotypic genus of herbaceous plants belonging to the Poaceae family. Its only species, Schizachne purpurascens, is native to of Eurasia and North America.
Description
They are perennial plants; tussocks (with short rhizomes) With culms 30-100 cm tall; herbaceous; not branched above. Culms with glabrous nodes. Internodes hollow, basal leaves not aggregated; not earphones. Pod margins united. linear blades; narrow; 1-4 mm wide; flat or rolled; without venation. The ligule is a ciliated membrane; truncated (on back); 0.5-3mm long. Bisexual plants, with bisexual spikelets; with hermaphrodite flowers.
Taxonomy
Schizachne purpurascens was described by (Torr.) Swallen and published in the Journal of the Washington Academy of Sciences 18: 204. 1928.
- Etymology
The name of the genus derives from the Greek words schizein (to divide) and achne (straw), alluding to its forked lemmas.
- Varieties
- Schizachne purpurascens subsp. callous (Turcz. ex Griseb.) T.Koyama & Kawano
- Schizachne purpurascens subsp. capillaries (Kom) Tzvelev
- Sinonimia
- Avena striata Michx.
- Avena striata f. albicans Fernald
- Avena torreyi Nash
- Bromelica striata (Hitchc.) Farw.
- Melica purpurascens Hitchc.
- Melica striata Hitchc.
- Melica striata f. albicans (Fernald) Fernald
- Schizachne striata (Hitchc.) Hultén
- Trisetum purpurascens Torr.