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Cleomella plocasperma

Higher Taxonomy
Family: CleomaceaeView DescriptionDichotomous Key

Common Name: SPIDERFLOWER FAMILY
Habit: Annual, perennial herb, shrub, often ill-smelling. Leaf: generally 1-palmate, generally alternate, generally petioled; stipules generally minute, often bristle-like or hairy; leaflets 0 or 3--7. Inflorescence: raceme, head, or flowers 1, expanded in fruit; bracts generally 3-parted below, simple above, or 0. Flower: generally bisexual, radial to +- bilateral; sepals generally 4, free or fused, generally persistent; petals generally 4, free, +- clawed; stamens generally 6, free, exserted, anthers generally coiling at dehiscence; ovary superior, generally on stalk-like receptacle, chamber generally 1, placentas generally 2, parietal, style 1, persistent, stigma generally minute, +- head-like. Fruit: 2 nutlets or generally capsule, septicidal; valves generally 2, deciduous, leaving septum (frame-like placentas) behind; pedicel generally +- reflexed to spreading.
Genera In Family: 17 genera, +- 150 species: widespread tropics to arid temperate. Note: Treated as Capparaceae in TJM (1993).
eFlora Treatment Author: Robert E. Preston & Staria S. Vanderpool
Scientific Editor: Thomas J. Rosatti.
Genus: CleomellaView DescriptionDichotomous Key

Habit: Annual, generally glabrous. Stem: generally ascending to erect, sometimes prostrate when older, generally branched from base, often red-tinged. Leaf: generally many; petiole generally 7--20 mm; leaflets generally 3. Inflorescence: raceme, +- terminal, flowers 1 in leaf axils, or both; pedicel generally 4--25 mm. Flower: parts generally yellow; sepals fused in basal 1/3, generally entire; petals +- sessile, upper 2 often recurved. Fruit: 2--6 mm, often wider than long; septum elliptic to round; receptacle stalk-like. Seed: < 10.
Species In Genus: +- 10 species: arid western North America. Etymology: (Diminutive of Cleome)

Cleomella plocasperma S. Watson
NATIVE
Stem: branched generally from upper nodes, 10--55(80) cm, smooth. Leaf: leaflets 15--45 mm, linear-elliptic. Inflorescence: raceme, 1--20 cm. Flower: sepals 0.9--2.2 mm, lanceolate; petals 3.5--7 mm; stamens 8--12 mm, anthers 1.5--1.9 mm; style 0.8--1.2 mm. Fruit: 4--5 mm; valves +- hemispheric to horn-shaped; receptacle 6--10 mm, spreading to ascending.
Ecology: Wet, alkaline meadows, greasewood flats, near thermal springs; Elevation: 875--1710 m. Bioregional Distribution: ne SnBr, GB (exc Wrn, W&I), DMoj (exc DMtns); Distribution Outside California: to Oregon, Idaho, Utah. Flowering Time: May--Oct
eFlora Treatment Author: Robert E. Preston & Staria S. Vanderpool
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Citation for this treatment: Robert E. Preston & Staria S. Vanderpool 2016. Cleomella plocasperma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19759, accessed on February 11, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 11, 2016.


Cleomella plocasperma
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© 2010 Steve Matson
Cleomella plocasperma
click for enlargement
© 2010 Steve Matson
Cleomella plocasperma
click for enlargement
© 2010 Steve Matson
Cleomella plocasperma
click for enlargement
© 2002 Gary A. Monroe
Cleomella plocasperma
click for enlargement
© 2002 Gary A. Monroe
Cleomella plocasperma
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© 1998 Larry Blakely

More photos of Cleomella plocasperma in CalPhotos


Geographic subdivisions for Cleomella plocasperma:
ne SnBr, GB (exc Wrn, W&I), DMoj (exc DMtns);
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.
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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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.