familyRosaceae
subfamilyRosaceae subfam. Rosoideae
genusIvesia
sectionIvesia sect. Unguiculatae
speciesIvesia argyrocoma
Show Lower Taxa
Ivesia argyrocoma
in N. L. Britton et al., N. Amer. Fl. 22: 284. 1908.
Conservation concern
Basionym: Horkelia argyrocoma Rydberg Monogr. N. Amer. Potentilleae, 144, plate 84. 1898
Synonyms: Potentilla argyrocoma (Rydberg) Jepson
Revision as of 00:28, 28 May 2020 by imported>Volume Importer
Distribution
Calif., nw Mexico.
Discussion
Varieties 2 (1 in the flora).
Plants from the central Sierra San Pedro Mártir in northern Baja California belong to var. moranii Ertter & Reveal, which may be distinguished by its compact stature (to 0.5 dm), densely villous basal stipules 2–4 mm, decumbent stems 2–7 cm that are stipitate-glandular under the villous indumentum, and solitary, loosely congested cyme. The petals are oblanceolate to narrowly obovate and 2.5–3.5 mm. The grayish, faintly mottled achenes are 1.3–2 mm.
Selected References
None.