|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Poaceae (Gramineae)||View Description||Dichotomous Key|
|Genus: Trisetum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Trisetum spicatum (L.) K. Richt.
Habit: Perennial herb. Stem: 0.5--4 dm, densely clumped. Leaf: mostly basal, tufted, glabrous or densely soft-hairy; ligule 1--3 mm; cauline blade generally 1--4 mm wide. Inflorescence: spike-like, 2.5--7(10) cm, dense, cylindric to narrowly elliptic in outline; lower branches erect, +- appressed; axis hairy, hidden by spikelets. Spikelet: on branches from base to tip, purple-tinged (including awns); glumes lanceolate, acute, lower 2--4 mm, upper 4--5 mm; lemma 2--3 mm, awn 4--8 mm, often bent near base. Chromosomes: 2n=14,28,42.
Ecology: Dry to moist sites, meadows, streambanks, rock outcrops, open areas in conifer forest, sagebrush scrub; Elevation: 1370--3900 m. Bioregional Distribution: KR, CaRH, SNH, SnGb, SnBr, SnJt, Wrn, n SNE, W&I; Distribution Outside California: worldwide (except Africa), temperate. Flowering Time: Jul--Aug Note: Highly variable, with much ecological variation; many infraspecific taxa described, not universally accepted.
Synonyms: Trisetum montanum Vasey; Trisetum spicatum var. spicatum
eFlora Treatment Author: Robert E. Preston & Dieter H. Wilken
Jepson Online Interchange
Previous taxon: Trisetum projectum
Next taxon: Trisetum wolfii
Citation for this treatment: Robert E. Preston & Dieter H. Wilken 2017. Trisetum spicatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=47338, accessed on April 23, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2017.