Jepson eFlora: Key page
Vascular Plants of California
Key to families | Table of families and genera

Key to Trisetum

View taxon page for Trisetum

(For a list of species in Trisetum, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Lemma  0(2) mm ..... T. wolfii

1' Lemma awn 4–12 mm

2. Inflorescence generally panicle-like, ± dense to open generally > 7 mm; ovary hairy at tip

3. Spikelets generally to base of  branches; lower inflorescence branches  to ; lower  3–5 mm ..... T. canescens

3' Spikelets only at tips of panicle branches; lower inflorescence branches generally ; lower glume < 3 mm ..... T. cernuum

2' Inflorescence generally spike-like, dense; awns generally <= 7 mm; ovary glabrous at tip

4. Panicle 8–23 cm, interruptedleaves densely soft-hairy; upper glumes 5.5–7 mm ..... T. projectum

4' Panicle 2.5–7(10) cm, not interrupted; leaves glabrous or densely soft-hairy; upper glumes 4–5 mm ..... T. spicatum


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

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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