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


B. arenarius Labill.

Annual 15–60 cm
Leaf soft-hairy; blade 2–5 mm wide
Inflorescence 4–19 cm, open; branches nodding to spreading, threadlike; spikelet stalks wavy to S-shaped
Spikelet ± compressed, generally short-soft-hairy; glumes with flat to rounded back, lower 7–10 mm, generally 3-veined, upper 8–12 mm, 5–7-veined; florets (3)6–9; lemma body 7–11 mm, back rounded, 5–7-veined, teeth 0.5–2 mm, awn (6)9–14 mm
Ecology: Open, disturbed places
Elevation: < 2000 m.
Bioregional distribution: California Floristic Province, Desert
Distribution outside California: to Oregon, Arizona; native to Australia
Flowering time: Apr–Jul


C. breweri Thurb.

Cespitose; rhizomes 0
Stem 1.5–3(5) dm; nodes 2–3
Leaves generally basal and lower stem; ligule 0.5–1.5 mm; blade 1 mm wide, flat or inrolled
Inflorescence 3–8 cm, open; lower branches < 2 cm, ± spreading
Spikelet: glumes 3–4 mm, smooth or keel scabrous; axis 1–2 mm, hairs ± 1 mm; callus hairs < 1 mm, sparse; lemma ± = glumes, awned near base; awn 4–5 mm, twisted, bent
Chromosomes: 2n=28,42
Ecology: Moist subalpine and alpine meadows, lake margins, streambanks
Elevation: 1300–3800 m.
Bioregional distribution: Klamath Ranges, High Sierra Nevada
Distribution outside California: Oregon
Horticultural information: DRN, IRR: 1, 2, 6, 7, 15, 16; DFCLT.

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