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FNA | Family List | FNA Vol. 8 | Sapotaceae | Sideroxylon

4b. Sideroxylon lanuginosum Michaux subsp. oblongifolium (Nuttall) T. D. Pennington in Organization for Flora Neotropica, Fl. Neotrop. 52: 169. 1990.

Bumelia oblongifolia Nuttall, Gen. N. Amer. Pl. 1: 135. 1818; B. lanuginosa (Michaux) Persoon subsp. albicans (Sargent) A. E. Murray; B. lanuginosa var. albicans Sargent; B. lanuginosa subsp. oblongifolia (Nuttall) Cronquist; B. lanuginosa var. oblongifolia (Nuttall) R. B. Clark; Sideroxylon lanuginosum subsp. albicans (Sargent) Kartesz & Gandhi; S. lanuginosum var. oblongifolium (Nuttall) B. L. Turner

Leaves: petiole glabrate or sparsely hairy, hairs gray to white; blade dull adaxially, 52-97 mm, abaxial surface densely to sparsely villous, hairs white to gray.

Flowering Jun-Jul. Upland and floodplain forests, prairie margins; 300-1300 m; Ark., Ill., Kans., Ky., La., Mo., Okla., Tex.

Subspecies oblongifolium generally occurs in the mid-continent region and is characterized by white to gray indument on the abaxial leaf surfaces. Hair color varies from gray to white among some specimens from Texas and northern Mexico.


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