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Allenrolfea occidentalis


Higher Taxonomy
Family: ChenopodiaceaeView DescriptionDichotomous Key
Common Name: GOOSEFOOT FAMILY
Habit: Annual to shrub; hairs simple, stellate, or glandular; plants in several genera scaly, mealy, or powdery from collapsed glands; monoecious, dioecious, with bisexual flowers, or with both bisexual and unisexual flowers. Stem: occasionally fleshy. Leaf: blade simple, generally alternate, occasionally fleshy or reduced to scales, veins pinnate; stipules 0. Inflorescence: raceme, spike, catkin-like, spheric head, axillary clusters of flowers, 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, generally green; calyx parts (1)3--5, or 0 in pistillate flowers, free or fused basally (or +- throughout), leaf-like in texture, membranous, or fleshy, deciduous or not, often strongly modified in fruit; corolla 0; stamens 1--5, opposite sepals, filaments free, equal; anthers 4-chambered; ovary superior (1/2-inferior), chamber 1; ovule 1; styles, stigmas 1--4 (or stigmas sessile). Fruit: achene or utricle, generally falling 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.
Genera In Family: 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. Note: Nitrophila treated in Amaranthaceae, Sarcobatus treated in Sarcobataceae. Key to genera revised by Elizabeth H. Zacharias to incorporate Extriplex and Stutzia, 2 genera segregated from Atriplex.
eFlora Treatment Author: Mihai Costea, family description, key to genera, revised by Thomas J. Rosatti & Elizabeth H. Zacharias, except as noted
Scientific Editor: Bruce G. Baldwin, David J. Keil, Thomas J. Rosatti.
Genus: AllenrolfeaView Description 


Common Name: IODINE BUSH

Species In Genus: 1 sp.: North America, South America. Etymology: (Robert Allen Rolfe, English botanist, 1855--1921)
eFlora Treatment Author: Margriet Wetherwax, Leila M. Shultz & Dieter H. Wilken
Reference: Shultz 2004 FNANM 4:321
Allenrolfea occidentalis (S. Watson) Kuntze
NATIVE
Habit: Shrub, 3--15 dm, glabrous; deciduous. Stem: erect or decumbent, many-branched, woody proximally, distally fleshy in age; jointed; joints (2)3--5(10) mm, 1--4.5 mm wide. Leaf: clasping, 2--4 mm, 2--3 mm wide, scale-like, triangular, margins entire, tip acute. Inflorescence: spike, 6--25 mm, cylindric; flowers spirally arranged in 3s or 5s; bracts deciduous, fleshy, peltate. Flower: bisexual, sessile; calyx 1--1.5 mm, 4--5-lobed, persistent, enclosing fruit; stamens 1--2, exserted; stigmas 2(3). Fruit: utricle, +- 1 mm, ovoid. Seed: erect, red-brown. Chromosomes: n=9.
Ecology: Flats, hummocks, in alkaline soils; Elevation: < 1450 m. Bioregional Distribution: GV, e SnFrB, s SNE, D; Distribution Outside California: to Oregon, Idaho, Texas, Mexico. Flowering Time: Jun--Aug
Jepson eFlora Author: Margriet Wetherwax, Leila M. Shultz & Dieter H. Wilken
Reference: Shultz 2004 FNANM 4:321
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Botanical illustration including Allenrolfea occidentalis

botanical illustration including Allenrolfea occidentalis

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Citation for this treatment: Margriet Wetherwax, Leila M. Shultz & Dieter H. Wilken 2012, Allenrolfea occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=12469, accessed on September 16, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on September 16, 2019.

Allenrolfea occidentalis
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© 2016 Steve Matson
Allenrolfea occidentalis
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© 2012 Neal Kramer
Allenrolfea occidentalis
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© 2010 Steve Matson
Allenrolfea occidentalis
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© 2012 Neal Kramer
Allenrolfea occidentalis
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© 2009 Neal Kramer
Allenrolfea occidentalis
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© 2009 Gary A. Monroe

More photos of Allenrolfea occidentalis in CalPhotos



Geographic subdivisions for Allenrolfea occidentalis:
GV, e SnFrB, s SNE, D
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map of distribution 1
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.