Difference between revisions of "Ayenia compacta"
Contr. U.S. Natl. Herb. 8: 321. 1905.
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|name=Ayenia californica | |name=Ayenia californica | ||
|authority=Jepson | |authority=Jepson | ||
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|hierarchy=Malvaceae;Malvaceae subfam. Byttnerioideae;Ayenia;Ayenia compacta | |hierarchy=Malvaceae;Malvaceae subfam. Byttnerioideae;Ayenia;Ayenia compacta | ||
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name=Ayenia compacta | name=Ayenia compacta | ||
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|authority=Rose | |authority=Rose | ||
|rank=species | |rank=species | ||
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|publication year=1905 | |publication year=1905 | ||
|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V6/V6_363.xml |
|subfamily=Malvaceae subfam. Byttnerioideae | |subfamily=Malvaceae subfam. Byttnerioideae | ||
|genus=Ayenia | |genus=Ayenia |
Revision as of 22:04, 16 December 2019
Subshrubs, erect or decumbent, (0.1–)0.5–0.8(–1) m. Stems hairy, hairs stellate, arms appressed. Leaves: petiole 0.5(–0.8) cm; blades of proximal leaves orbiculate to broadly ovate, 0.3–0.5 × 0.3–0.5 cm, distal ovate to ovate-lanceolate, unlobed, 1–1.5 × 0.5–0.9 cm, base rounded to slightly cordate, margins serrate, ciliate, apex obtuse to subacute, 3(–5)-veined from base, surfaces stellate-hairy. Cymes axillary, not borne on short shoots (brachyblasts), 1(or 2)-flowered; peduncle 1–2.5 mm. Flowers: sepals caducous, not present in young fruit, not reflexed at anthesis, ovate-lanceolate, 1.5–3 mm, sparingly stellate-pubescent abaxially; petal claws 2–3 mm, lamina rhombic, 1–1.5 × 1.5–3 mm, base attenuate on claw, margins entire, apex notched, surfaces hairy abaxially, hairs simple, multicellular, abaxial appendage cylindric, 0.2–0.3 mm; androgynophore 1–1.5 mm; stamen filaments present; stigmas scarcely exserted. Capsules subglobose, (3.5–)4.5–5 × 3–4.5 mm, sparingly stellate-pubescent, prickles 0.1–0.3 mm. Seeds 2–2.5(–2.9) mm, slightly to densely tuberculate. 2n = 20.
Phenology: Flowering and fruiting spring–early fall.
Habitat: Rocky slopes, gravelly or sandy washes, dry canyons
Elevation: 100–1200 m
Distribution
Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).
Discussion
In the United States, Ayenia compacta is known from southernmost California and Arizona; in Mexico, it is found on the Baja California peninsula and in Sonora on islands in the Gulf of California.
Selected References
None.