Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.


A. brachychaetum (Godr.) Barkworth

Stem 4–10 dm
Leaf: sheath glabrous; blade 1–2 mm wide
Inflorescence 20–30 cm
Spikelet: glumes 6–8 mm, ± equal; floret 4.5–5.5 mm; callus blunt; lemma tip hairs 0.8–1.7 mm, > body hairs, awn 15–20 mm, bent twice
Ecology: Disturbed sites
Elevation: < 300 m.
Bioregional distribution: nw San Joaquin Valley (eradicated from San Joaquin Valley in Fresno Co.), n South Coast
Distribution outside California: native to Argentina
Synonyms: Stipa b. Godr


T. flavescens (L.) P. Beauv.

Stems 6–8 dm, solitary to clumped
Leaves basal and cauline; ligule < 1 mm; cauline blade 3–6 mm wide
Inflorescence panicle-like, 7–14 cm, ovoid to elliptic in outline; lower branches weakly ascending; central axis ± exposed, glabrous
Spikelets generally on distal 4/5 of lower branches (sometimes axillary); glumes lanceolate, acute, lower ± 4 mm, upper 5–6 mm; lemmas 4–5 mm, awn 4–7 mm
Chromosomes: 2n=24,28
Ecology: Meadows, redwood forest
Elevation: < 100 m.
Bioregional distribution: North Coast
Distribution outside California: to Canada, e US; native to temperate Europe


T. spicatum (L.) K. Richt.

Perennial, cespitose
Stems 0.5–4 dm, densely clumped
Leaves mostly basal, tufted; ligule 1–3 mm; cauline blade generally 1–4 mm wide
Inflorescence spike-like, 2–8(10) cm, dense, cylindric to narrowly elliptic in outline; lower branches erect, ± appressed; axis hairy, hidden by spikelets
Spikelets on branches from base to tip; glumes lanceolate, acute, lower 5–6 mm, upper 6–7 mm; lemmas 4–5 mm, awn 4–8 mm
Chromosomes: 2n=14,28,42
Ecology: Open, dry to moist sites, meadows, streambanks
Elevation: 1400–4000 m (KR: 150–2000 m).
Bioregional distribution: Klamath Ranges, High Cascade Range, Sierra Nevada, n East of Sierra Nevada, White and Inyo Mountains
Distribution outside California: temperate America, Eurasia
Flowering time: Jul–Aug
Horticultural information: DRN, SUN: 4, 5, 6 &IRR: 1, 2, 7, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

previous taxon | next taxon
bioregional map for xxxxxxxx%20brachychaetum being generated

Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion

Sorry, not found as entry in The Jepson Manual

There may be an explanation in the Jepson Interchange
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California