Jepson eFlora
Key to families | Table of families and genera

Key to Trisetum

View taxon page for Trisetum

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

1. Lemma awn 0(2) mm ..... T. wolfii

1' Lemma awn 4–12 mm

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

3. Florets generally to base of panicle branches; lower inflorescence branches ascending to erect; lower glume 3–5 mm ..... T. canescens

3' Florets only at tips of panicle branches; lower inflorescence branches generally spreading; 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, interrupted; leaves 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 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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