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Glossopetalon spinescens var. aridum
NEVADA GREASEWOOD

Higher Taxonomy
Family: CrossosomataceaeView DescriptionDichotomous Key

Common Name: CROSSOSOMA FAMILY
Habit: Shrub, small tree. Stem: generally glabrous; branchlets or twigs generally thorny. Leaf: generally deciduous, simple, generally small, generally alternate, entire; stipules minute or 0. Inflorescence: flowers 1. Flower: generally bisexual, radial; hypanthium short; sepals, petals generally 5(3--6), free; petals generally white, ephemeral; stamens 4--50, on or around disk; pistils 1--9, simple, styles short, stigmas head-like, ovules generally 2--many. Fruit: follicles, 1--9. Seed: brown to black, arilled.
Genera In Family: 4 genera, 9 species: western United States, Mexico.
eFlora Treatment Author: Robert E. Preston & James R. Shevock
Scientific Editor: Thomas J. Rosatti.
Genus: GlossopetalonView DescriptionDichotomous Key

Habit: Small shrub, generally densely branched. Stem: angled, +- green, +- thorny at tips or not, hairs 0 to sparse. Leaf: small, generally deciduous, +- entire, +- sessile. Flower: petals narrow-oblanceolate, white. Fruit: ovoid, generally striate, generally beaked. Seed: generally 1--2, generally brown; aril +- inconspicuous, generally +- white.
Species In Genus: +- 5 species: western United States, northern Mexico, especially limestone in desert mountains. Etymology: (Greek: tongue petal, from petal shape)
Unabridged Note: Formerly treated as Forsellesia, in Celastraceae.

Glossopetalon spinescens A. Gray var. aridum M.E. Jones
NATIVE
Habit: Plant < 2 m, +- erect. Stem: +- thorny at tips. Leaf: 5--17 mm, oblong to obovate; veins +- inconspicuous abaxially. Flower: sepals +- rounded, 0 spine-tipped; petals 3--7 mm; stamens 6--10, +- equal. Seed: 1--2, 2--3 mm, generally shiny brown.
Ecology: Limestone; Elevation: 850--2720 m. Bioregional Distribution: s KR, s SNH (Piute Mtns, Kern Co.), SnBr (n base), W&I, DMtns; Distribution Outside California: to Washington, Wyoming, Texas, northern Mexico. Flowering Time: Apr--May
Synonyms: Forsellesia arida (M.E. Jones) A. Heller; Forsellesia nevadensis (A. Gray) Greene; Forsellesia stipulifera (H. St. John) Ensign
eFlora Treatment Author: Robert E. Preston & James R. Shevock
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botanical illustration including Glossopetalon spinescens var. aridum

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Citation for this treatment: Robert E. Preston & James R. Shevock 2016. Glossopetalon spinescens var. aridum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=59588, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson
Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson
Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson
Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson
Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson
Glossopetalon spinescens var. aridum
click for enlargement
© 2015 Steve Matson

More photos of Glossopetalon spinescens var. aridum in CalPhotos


Geographic subdivisions for Glossopetalon spinescens var. aridum:
s KR, s SNH (Piute Mtns, Kern Co.), SnBr (n base), W&I, 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.