Jepson Flora Project: Jepson Interchange    

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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


F. californica Vasey


Stems 4.5–12 dm, clumped; nodes visible
Leaf: sheath ± scabrous, conspicuously persisting; collar glabrous to long-hairy; ligule 0.5–1.5(4) mm; blade 10–100 cm, 1.8–3.5 mm wide, flat or rolled, scabrous
Inflorescence 10–27 cm, open; spikelets borne near branch tips
Spikelet 13–18 mm; lower glume 4.5–7 mm, upper 6–8 mm; florets 4–6; lemma 7.5–11 mm, glabrous, awn 1.5–2.5 mm; anthers 4.5–5 mm; ovary tip hairy
Chromosomes: 2n=56
Ecology: Open forest, chaparral
Elevation: < 1800 m.
Bioregional distribution: Northwestern California, Cascade Range, n&c Sierra Nevada, Central Western California, San Bernardino Mountains
Distribution outside California: Oregon
Smaller plants with ± glabrous collars from SnBr have been called var. parishii (Piper) Hitchc
Horticultural information: 4, 5, 6 IRR: 17, 22, 23, 24 &part SHD: 7, 8, 9, 14, 15, 16, 18, 19, 20, 21; CVS; also STBL.


F. saximontana Rydb. var. purpusiana (St.-Yves) Fred. & Pavlick

Stems 0.5–2.5 dm, clumped; nodes ± concealed
Leaf: ligule < 0.5 mm; blade 3–10 cm, < 0.5 mm wide, folded, scabrous near tip
Inflorescence 1–5 cm, very narrow, branched only at lowest node
Spikelet ± 5–7.5 mm; lower glume 2–3.5 mm, upper 3.5–5 mm; florets 2–5; lemma ± 3.5–5.5 mm, scabrous near awn, awn ± 1–2 mm; anthers 1.5–2 mm; ovary tip glabrous
Chromosomes: 2n=42
Ecology: Alpine, subalpine summits, dry granitic gravel, talus fields, sagebrush scrub
Elevation: generally > 3000 m.
Bioregional distribution: c&s High Sierra Nevada, San Bernardino Mountains, White and Inyo Mountains.

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