|University of California, Berkeley|
|Directory News Site Map Home|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Annual to shrub; hairs simple, stellate or glandular; plants generally scaly, mealy, or powdery from collapsed glands; generally monoecious.
Stem: occasionally fleshy.
Leaf: blade simple, generally alternate, occasionally fleshy or reduced to scales, veins pinnate; stipules 0.
Inflorescence: raceme, spike, catkin-like, spheric heads, or flowers 1; bracts 0–5, herbaceous, generally persistent or strongly modified in fruit, wings, tubercles or spines present or 0.
Flower: bisexual or unisexual, small, green; calyx parts (1)3–5, or 0 in pistillate flowers, free or fused basally, leaf-like in texture, membranous or fleshy, deciduous or not, generally strongly modified in fruit; corolla 0; stamens 1–5, opposite to calyx parts, filaments free, equal; anthers 4-chambered; ovary superior (1/2-inferior), chamber 1; ovule 1; styles, stigmas 1–4.
Fruit: achene or utricle, generally with persistent calyx or bracts.
Seed: 1, small, lenticular to spheric; seed coat smooth to finely dotted, warty, net-like, or prickly, margin occasionally winged.
100 genera, 1500 species: worldwide, especially deserts, saline or alkaline soils; some cultivated for food (Beta vulgaris subsp. vulgaris, beet, Swiss chard; Spinacia oleracea L., spinach; Chenopodium quinoa Willd., quinoa); and some worldwide, naturalized ruderal or noxious agricultural weeds. Nitrophila treated in Amaranthaceae, Sarcobatus treated in Sarcobataceae. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Chenopodiaceae
1 sp. (Asa Gray, eminent Am botanist, Harvard University, 1810–1888) [Holmgren 2003 FNANM 4:306–307]
Shrub rounded; scaly- puberulent, hairs branched, glabrous in age; generally dioecious.
Stem: generally 3–10(15) dm, branches many, stiff; bark red-brown, ± white-ribbed, peeling in strips, older bark gray; twigs spine-like in age.
Leaf: alternate, 5–25(40) mm, generally spoon-shaped to oblanceolate, flat, entire, tapered to short-petioled, blade green, tip generally ± white.
Staminate inflorescence: spike-like, terminal, 7–18 mm; bract ± leaf-like; flowers 2–5 per cluster.
Pistillate inflorescence: ± spike-like, axillary or terminal, 6–18 cm in fruit; flowers 1–few per cluster; bracts 3–10 mm, ± leaf-like; fruit bracts 2, 7–15 mm, fused, together sac-like, ± round, flat, winged, white to red-tinged, margins entire.
Staminate flower: calyx lobes 4, 1.5–2 mm, enclosing stamens; stamens 4–5.
Pistillate flower: stigmas 2, exserted.
Fruit: generally 1.5–2 mm, brown.
2n=36. Sandy to gravelly soils in scrub, pinyon/juniper woodland; 300–2900 m. High Sierra Nevada (e slope), Tehachapi Mountain Area, se San Joaquin Valley, Western Transverse Ranges (n slope), Great Basin Floristic Province, Mojave Desert, nw Sonoran Desert;
Previous taxon: Grayia
Next taxon: Halogeton
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
|Bioregions in which taxon occurs||Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon;|
markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
|Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
View all CCH records
CCH collections by month