Jepson Flora Project: Jepson Interchange    

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

Introduced

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
Weedy.

Native

M. californica Scribn.

CALIFORNIA MELIC

Rhizomes short or 0; corms generally 0
Stem 5–13 dm; base generally swollen; lowest 1–2 internodes short; nodes ± swollen
Inflorescence 4–30 cm, narrow
Spikelet 5–15 mm; glumes subequal, 3.5–13 mm; fertile florets 2–5, sterile cluster 1–3 mm, truncate; lemma 5–9 mm, tip obtuse or notched
Chromosomes: n=9
Ecology: Open hillsides, oak woodland, coniferous forest
Elevation: < 2100 m.
Bioregional distribution: Northwestern California, Sierra Nevada Foothills, Tehachapi Mountain Area, Central Western California, Western Transverse Ranges.Plants with glumes < spikelet, glume tips obtuse are var. californica ; plants with glumes ± = spikelet, glume tips acute have been called var. nevadensis Boyle
Horticultural information: DRN: 2, 3, 7, 8, 9, 14, 18, 19, 20, 21, 22, 23 &SUN: 5, 15, 16, 17, 24; also STBL.

Native

M. spectabilis Scribn.

PURPLE ONIONGRASS

Rhizomes short to long; corms short-stalked, scattered
Stem 0.5–10 dm
Leaf: ligule 1–3 mm
Inflorescence 5–26 cm, generally narrow
Spikelet 7–19 mm; glumes 3.5–7 mm, ± equal, < 1/2 spikelet length, obtuse; fertile florets 3–7, sterile cluster ± 2.5 mm, tapered, generally concealed; lemma 6–9 mm, generally widest above middle, acute to obtuse
Ecology: UNCOMMON. Wet sites, meadows, coniferous forest
Elevation: 1200–2600 m.
Bioregional distribution: Klamath Ranges, n North Coast Ranges
Distribution outside California: to British Columbia, Rocky Mtns

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