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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
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: western United States, northern Mexico, especially limestone in desert mountains. (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.
1. Leaf spine-tipped; stipules 0; flowers terminal; fruit 1, < 1 mm ..... G. pungens
1' Leaf tip rounded or short-pointed; stipules as 2 minute bristles near leaf base; flowers axillary; fruit 1–2, 3–5.5 mm ..... G. spinescens var. aridum
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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