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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Perennial herb, glabrous (sparsely short-hairy); plants with either male or bisexual flowers [dioecious]. Leaf: alternate, pinnately lobed or compound. Inflorescence: axillary spikes or small clusters. Bisexual flower: calyx lobes 3; stamens 2–4; ovary inferior, ovoid, 3-angled, chamber 1, placentas 3, parietal, styles 3, thread-like, 2-forked. Staminate flower: calyx lobes 4–9, unequal; corolla 0; stamens 8–12, filaments short. Fruit: capsule, opening at top between styles. Seed: many, minute.
1 genus, 2 species: western North America, Asia. [Zhang et al. 2006 Molec Phylogen Evol 39:305–322] With nitrogen-fixing root nodules. —Scientific Editor: Bruce G. Baldwin.
(Name used by Dioscorides)
Stem: generally clustered, erect, branched, 1–2 m. Leaf: alternate above, ± opposite or ± whorled below, ± 15 cm, ovate to lanceolate, acuminate, coarsely and unequally pinnately lobed; petioles 2–3(4) cm. Flower: staminate flower calyx 2 mm; anthers 4 mm, ± sessile, yellow; bisexual flower calyx 5–8 mm; styles ± 6 mm. Fruit: ± 8 mm. Seed: ± 1 mm, light brown, pitted in rows.
Dry streambeds or washes; < 2000 m. California Floristic Province, s East of Sierra Nevada, Mojave Desert (Victorville, Cottonwood Mtns); western Nevada, Baja California. All parts TOXIC. May–Jul [Online Interchange]
Unabridged note: Datisca cannabina L. of sw¢ral Asia is dioecious.
Previous taxon: Datisca
Next taxon: Dipsacaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 7 2014
Citation for this treatment: [Author of taxon treatment] 2012. Datisca, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=22377, accessed on Mar 7 2014
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© 2009 Julie Kierstead Nelson
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