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CROSSOSOMATACEAE CROSSOSOMA FAMILY

Robert E. Preston & James R. Shevock

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.
4 genera, 9 species: w US, Mex. [Sosa & Chase 2003 Syst Bot 28:96–105] —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Thorne & Scogin 1978 Aliso 9:171–178; Sosa & Chase 2003 Syst Bot 28:96–105]

Key to Crossosomataceae

GLOSSOPETALON
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.
± 5 species: w US, n Mex, especially limestone in desert mtns. (Greek: tongue petal, from petal shape) [Yatskievych 2007 Novon 17:529–530]
Unabridged references: [Holmgren 1988 Brittonia 40:269–274]
Unabridged note: Formerly treated as Forsellesia, in Celastraceae.

Key to Glossopetalon

Previous taxon: Crossosoma californicum
Next taxon: Glossopetalon pungens

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs 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.
map of distribution 1

Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
Data provided by the participants of the Consortium of California Herbaria.
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