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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.


Annual, perennial herb. Stem: spreading to erect. Leaf: generally cauline; ligule membranous, ± entire to jagged, sometimes ciliate; blade flat. Inflorescence: panicle-like; branches spike- or raceme-like; spikelets short-stalked or sessile. Spikelet: laterally compressed or ± cylindrical; glumes equal or not, 1(3)-veined, short-awned or not; axis breaking apart above glumes and between florets; florets generally 2–12; lemma back rounded or keeled, glabrous or hairy, 3-veined, tip obtuse or minutely 2-lobed, awn generally 0; stamens 1–3.
32 species: warm temperate, tropics. (Greek: slender grass, from slender inflorescence) [Snow 2003 FNANM 25:51–60; McNeill 1979 Brittonia 31:399–404]

Key to Leptochloa

1. Sheaths papillate-hairy; spikelets 1–3 mm; lemma back keeled; florets 2–4 ..... L. panicea subsp. brachiata

1' Sheaths glabrous or scabrous; spikelets 4–12 mm; lemma back rounded; florets generally 5–12

2. Perennial herb; stem internodes solid; cleistogamous spikelets often present in lower sheaths ..... L. dubia

2' Annual; stem internodes hollow; cleistogamous spikelets 0

3. Lemma awnless or mucronate ..... L. fusca subsp. uninervia

3' Lemma awn 0.5–3(5) mm

4. Florets ± white; lower glume 2–3 mm, lanceolate; lemma lanceolate ..... L. fusca subsp. fascicularis

4' Florets ± red; lower glume < 2 mm, triangular; lemma ovate ..... L. viscida


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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