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Datisca glomerata

Higher Taxonomy
Family: DatiscaceaeView Description 

Habit: 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. Staminate Flower: calyx lobes 4--9, unequal; corolla 0; stamens 8--12, filaments short. Bisexual Flower: calyx lobes 3; stamens [0]2--4; ovary inferior, ovoid, 3-angled, chamber 1, placentas 3, parietal, styles 3, thread-like, 2-forked. Fruit: capsule, opening at top between styles. Seed: many, minute.
Genera In Family: 1 genus, 2 species: western North America, Asia. Note: With nitrogen-fixing root nodules.
eFlora Treatment Author: Steve Boyd & William J. Stone
Scientific Editor: Bruce G. Baldwin.
Genus: DatiscaView Description 

Etymology: (Name used by Dioscorides)

Datisca glomerata (C. Presl) Baill.
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.
Ecology: Dry streambeds or washes; Elevation: < 2000 m. Bioregional Distribution: CA-FP, s SNE, DMoj (Victorville, Cottonwood Mtns); Distribution Outside California: western Nevada, Baja California. Toxicity: All parts TOXIC. Flowering Time: May--Jul
Unabridged Note: Datisca cannabina L. of sw¢ral Asia is dioecious.
eFlora Treatment Author: Steve Boyd & William J. Stone
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botanical illustration including Datisca glomerata


Citation for this treatment: Steve Boyd & William J. Stone 2017. Datisca glomerata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 29, 2017.

Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora,, accessed on April 29, 2017.

Datisca glomerata
click for enlargement
© 2003 Keir Morse

More photos of Datisca glomerata in CalPhotos

Geographic subdivisions for Datisca glomerata:
CA-FP, s SNE, DMoj (Victorville, Cottonwood Mtns);
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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.