TREATMENT FROM THE JEPSON MANUAL (1993) |
previous taxon |
next taxon
Jepson Interchange (more information) |
|
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Introduced |
Stem 410 dm
Leaf: sheath glabrous; blade 12 mm wide
Inflorescence 2030 cm
Spikelet: glumes 68 mm, ± equal; floret 4.55.5 mm; callus blunt; lemma tip hairs 0.81.7 mm, > body hairs, awn 1520 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
Weedy.
Introduced |
Perennial 1075 cm; stolons or rhizomes < 5 cm, slender
Leaves: ligule 0.52 mm, generally wider than long; lower blades 310 cm, 15 mm wide, generally flat
Inflorescence 320 cm, widely ovate in outline, open; 1° branches mostly spreading, lower 1.54 cm, axes thread-like
Spikelet: glumes 23 mm; callus glabrous or minutely hairy; lemma 1.52.5 mm, sometimes short-awned near tip; palea 1/22/3 X lemma; anthers 0.81.3 mm
Chromosomes: 2n=28
Ecology: Roadsides, open, disturbed places
Elevation: < 1000 m.
Bioregional distribution: Klamath Ranges, Cascade Range, n&c Sierra Nevada, Central Coast, San Francisco Bay Area, South Coast
Distribution outside California: to Alaska, e US; native to Europe
Synonyms: A. tenuis Sibth
Native |
Perennial 3080 cm
Leaves: lower leaf sheaths finely tomentose; ligule 46 mm; lower blades 1016 cm, 12 mm wide, flat, becoming inrolled
Inflorescence (4)1017 cm, generally lanceolate in outline, open; 1° branches ± ascending, 1540 cm, axes thread-like
Spikelet: glumes 23 mm; callus hairs < 0.3 mm, dense; lemma 1.52 mm, awned below middle, awn < 2.5 mm, bent; palea 0; anthers 11.5 mm
Ecology: UNCOMMON. Dry sandy soils, open chaparral, oak woodland
Elevation: < 600 m.
Bioregional distribution: s Central Coast, s Outer South Coast Ranges (San Luis Obispo, Santa Barbara cos.).