|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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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.
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.
Species in genus: 1 sp
Etymology: (Latin: awned box, from involucre)
Reference: [Reveal & Hardham 1989 Phytologia 66:8388]
Annual, spreading, 210 cm, glandularSee the CNPS Inventory for information about endangerment and rarity.
Leaves basal; stipule 0; petiole 0; blade 315 mm, oblanceolate, glabrous
Inflorescence open, 310 cm diam; bract 1 per node, 14 mm, 3-lobed, awns 0.22 mm; involucre 1 per node, ± sessile, 35 mm, narrowly funnel-shaped, teeth 5, awns 13 mm, straight, spreading; flowers 46 per involucre
Flower: perianth 1.52 mm, white to pink or rose, sparsely hairy, lobes 6; stamens 9
Fruit 1.51.8 mm, brown
Ecology: UNCOMMON. Foothill woodland
Elevation: 300600 m.
Bioregional distribution: Inner South Coast Ranges (Monterey, San Luis Obispo cos.)
Synonyms: Chorizanthe i. Curran; Centrostegia i. (Curran) A. Heller
|YOU CAN HELP US make sure that our distributional information is correct and current. If you know that a plant occurs in a wild, reproducing state in a Jepson bioregion NOT highlighted on the map, please contact us with that information. Please realize that we cannot incorporate range extensions without access to a voucher specimen, which should (ultimately) be deposited in an herbarium. You can send the pressed, dried collection (with complete locality information indicated) to us (e-mail us for details) or refer us to an accessioned herbarium specimen. Non-occurrence of a plant in an indicated area is difficult to document, but we will especially value your input on those types of possible errors (see automatic conversion of distribution data to maps).|