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Coleogyne ramosissima

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: ColeogyneView Description 

Common Name: BLACKBUSH

Species In Genus: 1 sp. Etymology: (Greek: sheath female, from hypanthium enclosing pistil)
eFlora Treatment Author: Bruce D. Parfitt & Thomas J. Rosatti

Coleogyne ramosissima Torr.
NATIVE
Habit: Shrub 2--20 dm, much-branched, thorny, +- strigose. Leaf: in opposite clusters, simple, 5--15 mm, linear-oblanceolate, +- thick, entire; stipules persistent. Inflorescence: flowers 1, terminal; pedicel bractlets paired, closely subtending flower. Flower: hypanthium bell-shaped, leathery, sheath at top enclosing pistil, 4--9 mm, bractlets 0; sepals 4(5), spreading, 5--8 mm, ovate, generally yellow, often +- red abaxially, persistent, inner 2 widely scarious-margined; petals 0(1--5, 5--8 mm, yellow); stamens 20--25(30); pistil 1(2), ovary superior, style lateral, long-hairy especially below, persistent. Fruit: achene, +- 4--6 mm, +- crescent-shaped, red-brown, glabrous.
Ecology: Dry, open slopes, creosote-bush scrub, pinyon/juniper woodland; Elevation: 600--2000 m. Bioregional Distribution: SNE, D (esp DMtns); Distribution Outside California: to Colorado, New Mexico. Flowering Time: Apr--Jun
eFlora Treatment Author: Bruce D. Parfitt & Thomas J. Rosatti
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Citation for this treatment: Bruce D. Parfitt & Thomas J. Rosatti 2016. Coleogyne ramosissima, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=19978, accessed on February 09, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 09, 2016.


Coleogyne ramosissima
click for enlargement
© 2004 James M. Andre
Coleogyne ramosissima
click for enlargement
© 2004 James M. Andre
Coleogyne ramosissima
click for enlargement
© 2004 James M. Andre
Coleogyne ramosissima
click for enlargement
© 2006 Steve Matson
Coleogyne ramosissima
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© 1998 Larry Blakely
Coleogyne ramosissima
click for enlargement
© 2004 James M. Andre

More photos of Coleogyne ramosissima in CalPhotos


Geographic subdivisions for Coleogyne ramosissima:
SNE, D (esp 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.