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Vascular Plants of California
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Nitrophila occidentalis


Higher Taxonomy
Family: AmaranthaceaeView DescriptionDichotomous Key
Common Name: AMARANTH FAMILY
Habit: Annual to subshrub; monoecious and/or dioecious; occasionally spiny; hairs simple (branched). Leaf: blade simple, alternate or opposite, margins entire or serrate; veins pinnate; stipules 0. Inflorescence: axillary or terminal; 3-flowered cymes in dense spikes, heads or panicles; bracts 0 or 1--5, persistent; bractlets 0--2. Flower: bisexual or unisexual, small, green (+- white), yellow or purple; perianth parts 0 or (1)3--5, free or fused basally, scarious or hardened, persistent; stamens 1--5, opposite perianth parts, free or basally fused as a tube, generally unequal, occasionally alternate with appendages on stamen tubes (pseudostaminodes), anthers 2- or 4-chambered; ovary superior, chamber 1; ovule 1 (2--many); style (0)1--3, stigmas 1--3(5). Fruit: utricle; generally with persistent perianth or bracts. Seed: 1 [2+], small, lenticular to spheric, smooth or dotted to striate or tubercled.
Genera In Family: +- 75 genera, 900 species: cosmopolitan, especially disturbed, arid, saline or alkaline soils; some cultivated for food, ornamental; many naturalized, ruderal or agricultural weeds. Note: Amaranthaceae including Chenopodiaceae by some. Polycnemoideae, represented in California by Nitrophila, formerly considered subfamily of Chenopodiaceae, but needs further research. Guilleminea densa (Willd.) Moq. var. aggregata Uline & W.L. Bray is a waif. Froelichia gracilis (Hook.) Moq. possibly naturalized.
eFlora Treatment Author: Mihai Costea, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: NitrophilaView DescriptionDichotomous Key


Habit: Perennial herb, glabrous, rhizomed. Stem: decumbent to erect, +- ribbed. Leaf: opposite, sessile to clasping, linear to ovate, fleshy. Inflorescence: axillary, flowers 1--3; bractlets 1 or 2 per flower. Flower: calyx 5(7)-parted, enclosing fruit, papery, lobes erect, overlapping, ovate, back ribbed, persistent in fruit; stamens 5, included; style slender, = ovary, stigmas 2. Fruit: indehiscent, +- 2 mm. Seed: vertical, lenticular, black or brown. Chromosomes: x=9.
Etymology: (Greek: soda loving) Note: In Chenopodiaceae in TJM (1993).
eFlora Treatment Author: Margriet Wetherwax, Dieter H. Wilken & Noel H. Holmgren
Reference: [Müller & Borsch 2005 Ann Missouri Bot Gard 92:66--102]
Nitrophila occidentalis (Moq.) S. Watson
NATIVE
Stem: decumbent to erect. Leaf: sessile, occasionally scale-like on decumbent stems. Inflorescence: bracts 2; flowers 1, sessile, or 2--3, short-pedicelled. Flower: calyx 2--3.3 mm, pink, white in age. Seed: +- 1 mm, black or brown, dull.
Ecology: Moist, alkaline soils; Elevation: < 2100 m. Bioregional Distribution: KR/CaRH (Shasta Valley), GV, SCo, w PR, GB, DMoj; Distribution Outside California: to eastern Oregon, Utah, northern Mexico. Flowering Time: May--Oct
Jepson eFlora Author: Margriet Wetherwax, Dieter H. Wilken & Noel H. Holmgren
Reference: [Müller & Borsch 2005 Ann Missouri Bot Gard 92:66--102]
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Nitrophila occidentalis

botanical illustration including Nitrophila occidentalis

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Citation for this treatment: Margriet Wetherwax, Dieter H. Wilken & Noel H. Holmgren 2012, Nitrophila occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=34675, accessed on June 23, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on June 23, 2024.

Nitrophila occidentalis
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©2016 Steve Matson
Nitrophila occidentalis
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©2008 Steve Matson
Nitrophila occidentalis
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©2016 Steve Matson
Nitrophila occidentalis
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©2016 Steve Matson
Nitrophila occidentalis
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©2010 James M. Andre

More photos of Nitrophila occidentalis
in CalPhotos



Geographic subdivisions for Nitrophila occidentalis:
KR/CaRH (Shasta Valley), GV, SCo, w PR, GB, DMoj
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

Data provided by the participants of the  Consortium of California Herbaria.
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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 (fruiting time in some monocot genera).