Sideroxylon lanuginosum subsp. oblongifolium

(Nuttall) T. D. Pennington

in Organization for Flora Neotropica, Fl. Neotrop. 52: 169. 1990,.

Basionym: Bumelia oblongifolia Nuttall Gen. N. Amer. Pl. 1: 135. 1818
Synonyms: Bumelia lanuginosa subsp. albicans (Sargent) A. E. Murray Bumelia lanuginosa var. albicans Sargent Bumelia lanuginosa subsp. oblongifolia (Nuttall) Cronquist Bumelia lanuginosa var. oblongifolia (Nuttall) R. B. Clark Sideroxylon lanuginosum subsp. albicans (Sargent) Kartesz & Gandhi Sideroxylon lanuginosum var. oblongifolium (Nuttall) B. L. Turner
Treatment appears in FNA Volume 8. Treatment on page 240. Mentioned on page 239.

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.

Phenology: Flowering Jun–Jul.
Habitat: Upland and floodplain forests, prairie margins
Elevation: 300-1300 m


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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.

Selected References


Lower Taxa

Wayne J. Elisens +  and J. Matthew Jones +
(Nuttall) T. D. Pennington +
Bumelia oblongifolia +
Ark. +, Ill. +, Kans. +, Ky. +, La. +, Mo. +, Okla. +  and Tex. +
300-1300 m +
Upland and floodplain forests, prairie margins +
Flowering Jun–Jul. +
in Organization for Flora Neotropica, Fl. Neotrop. +
Bumelia lanuginosa subsp. albicans +, Bumelia lanuginosa var. albicans +, Bumelia lanuginosa subsp. oblongifolia +, Bumelia lanuginosa var. oblongifolia +, Sideroxylon lanuginosum subsp. albicans +  and Sideroxylon lanuginosum var. oblongifolium +
Sideroxylon lanuginosum subsp. oblongifolium +
Sideroxylon lanuginosum +
subspecies +