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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.



Rosa Cerros-Tlatilpa

Annual, perennial herb, cespitose, rhizomatous or stoloniferous. Stem: decumbent to erect, 1–7 dm. Leaf: ligule membranous or hairy-tufted; blade generally 10–50 cm, 0.2–1.5 cm wide, flat. Inflorescence: generally digitate; branches 2–30, sometimes in distinct whorls, each raceme- or spike-like branch with 2 rows of overlapping spikelets on 1 side of axis. Spikelet: laterally compressed; glumes unequal, < florets, 1–3-veined; axis breaking above glumes; lower florets fertile, 1–2, upper florets sterile or staminate, 1–4, < 1/2 lower floret length; fertile floret lemma ovate to lanceolate, back glabrous, midvein hairy, 3-veined, awn 1; palea < lemma, translucent, obscure; anthers 3. Fruit: ± fusiform, 3-angled.
± 50 species: warm temperate, tropics worldwide, especially southern hemisphere. (Greek: goddess of flowers)
Unabridged references: [Anderson 1974 Brigham Young Univ Sci Bull Biol Ser 19:1–133; Barkworth 2003 FNANM 25:204–218]

Key to Chloris

1. Inflorescence branches in 2–4 separate whorls, spreading ..... C. verticillata

1' Inflorescence branches digitate, branches 4–30, ± erect

2. Annual ..... C. virgata

2' Perennial herb, generally from stolons

3. Leaf blades 25–50 cm, 3–9 mm wide; upper florets generally (1)2–4, sterile or staminate; spikelets light brown to brown-orange ..... C. gayana

3' Leaf blades 5–20 cm, 2–3 mm wide; upper florets 1(2), staminate; spikelets dark brown to black ..... C. truncata


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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