TREATMENT FROM THE JEPSON MANUAL (1993) |
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©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 |
Annual to trees, some dioecious
Stem: nodes often swollen
Leaves simple, basal or cauline, alternate, opposite, or whorled, generally entire; stipules 0 or obvious and fused into a generally scarious sheath around stem
Inflorescence: small cluster, axillary or arrayed in cymes or panicles; involucres sometimes subtending 1many flowers
Flower generally bisexual, small, ± radial; perianth generally 56-lobed, base ± tapered, often jointed to pedicel; stamens 29, often in 2 whorls; ovary superior, styles generally 3, generally fused at base
Fruit: achene, generally enclosed by persistent perianth, generally 3-angled, ovoid, and glabrous
Genera in family: 50 genera, 1100 species: worldwide, especially n temp; some cultivated for food (Fagopyrum ; Rheum , rhubarb; Rumex , sorrel) or ornamental (Antigonon , coral-vine; Muehlenbeckia ; Polygonum )
Reference: [Ronse Decraene & Akeroyd 1988 Bot J Linn Soc 98:321371; Reveal et al. 1989 Phytologia 66(24):83414]
Treatments of the 15 eriogonoid genera are based on the monographic work of James L. Reveal, who is gratefully acknowledged.
Annual, glandular
Leaves basal; stipule 0; petiole indistinct; blade oblanceolate
Inflorescence open; bract 1 per node, 525 mm, lobes 3, awned; involucre generally 1 per node, sessile, cylindric, lobes 24, awned, awns straight, often unequal; flower generally 1 per involucre
Flower: perianth white to pink, hairy, lobes 6; stamens 69
Fruit 23 mm, lanceolate in outline, brown to black
Species in genus: 2 species: CA
Etymology: (Latin: sharp-pointed, from bracts)
Reference: [Reveal 1989 Phytologia 66:199220]
Native |
Plant 230 mm; non-glandular hairs nearly 0
Leaf generally 3060 mm
Inflorescence: bracts encircling stem, generally 1025 mm, generally lobed < halfway to base; involucre 1 per node, 38 mm, asymmetric or ± bilateral, lobes 4, awns < 1.5 mm; flower 1 per involucre
Flower: perianth lobes generally jagged
Chromosomes: n=19
Ecology: Chaparral, Joshua-tree woodland, etc., in sandy soils
Elevation: 1501900 m.
Bioregional distribution: s Sierra Nevada Foothills, Tehachapi Mountain Area, San Joaquin Valley, Inner South Coast Ranges, n Western Transverse Ranges, w Mojave Desert
Flowering time: AprJun
Synonyms: Chorizanthe p. A. Gray
Horticultural information: TRY.