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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

TORREYOCHLOA FALSE MANNA GRASS

Jerrold I. Davis


Perennial herb from rhizomes. Stem: decumbent to erect, sometimes rooting at nodes. Leaf: basal and cauline; sheath open ± to base; ligule thinly membranous, acute to obtuse, sometimes toothed. Inflorescence: panicle-like; lower branches reflexed to erect. Spikelet: bisexual; glumes < lowest floret, lower glume generally 1-veined, upper generally 3-veined; florets 2–8; lemma firm, back rounded, scabrous, margin near tip entire to scabrous-serrate at 10×, prominently (5)7–9-veined, veins not converging at tip; awn 0; palea ± = lemma.
± 5 species: temperate North America, eastern Asia. (J. Torrey, American botanist, 1796–1873) Plants generally occurring in freshwater wet habitats.
Unabridged references: [Davis 2007 FNANM 24:607–609, 1991 Phytologia 70:361–365]

Key to Torreyochloa

1. Inflorescence linear to narrowly elliptic in outline, length 5–19 × width, < 1 cm wide; leaf blade 3.4–7 mm wide ..... T. erecta

1' Inflorescence ovate to elliptic or obovate in outline, length 1–6(7.5) × width, (1)2–14 cm wide; leaf blade 3.6–18 mm wide ..... T. pallida var. pauciflora

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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