familySapotaceae
genusSideroxylon
speciesSideroxylon lanuginosum
subspeciesSideroxylon lanuginosum subsp. rigidum
Difference between revisions of "Sideroxylon lanuginosum subsp. rigidum"
in Organizaton for Flora Neotropica, Fl. Neotrop. 52: 169. 1990,.
Basionym: Bumelia lanuginosa var. rigida A. Gray in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 68. 1886
Synonyms: Bumelia lanuginosa subsp. rigida (A. Gray) Cronquist Bumelia lanuginosa subsp. texana (Buckley) A. E. Murray Bumelia lanuginosa var. texana (Buckley) Cronquist Bumelia texana Sideroxylon lanuginosum var. rigidum (A. Gray) B. L. Turner
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Revision as of 00:12, 28 May 2020
Leaves: petiole hairy to glabrate, hairs white to gray; blade dull adaxially, 15–50 mm, abaxial surface densely to sparsely villous or glabrate, hairs white to gray.
Phenology: Flowering Jun–Jul.
Habitat: Upland forests, woodlands, scrublands
Elevation: 400-2000 m
Distribution
Ariz., N.Mex., Okla., Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Subspecies rigidum occurs in the southwestern portion of the range and has leaf indument ranging from tomentose to glabrate. Variation patterns are especially complex in southern and western Texas and in northern Mexico.
Selected References
None.
Lower Taxa
None.