Croton michauxii var. elliptica
Harvard Pap. Bot. 14: 68. 2009.
Common names: Elliptic-leaf rushfoil Willdenow’s croton
Endemic
Basionym: Crotonopsis elliptica Willdenow Sp. Pl. 4: 380. 1805
Synonyms: Croton willdenowii G. L. Webster Leptemon ellipticum (Wildenow) Rafinesque
Treatment appears in FNA Volume 12. Treatment on page 220.
Revision as of 18:16, 24 September 2019 by FNA>Volume Importer
Leaf blades lanceolate to ovate-lanceolate, 1.5–4 × 0.1–0.4(–1.5) cm; abaxial surface (midstem leaves) hairs with radii separate less than 1/2 length, adaxial surface hairs often slightly raised, overlapping near midvein, radii usually 1–3. Inflorescences usually less than 1 cm, achenes 1–2, crowded at base (appearing sessile in axil of subtending leaf). Staminate flowers usually less than 1 mm diam. Achenes sparsely stellate-lepidote, hairs appressed, radii joined most or all of length, umbos usually blunt, rarely sharp.
Phenology: Flowering Jun–Oct.
Habitat: Sandstone and granitic outcrops (glades), disturbed sandy soils, forest openings, eroded slopes.
Elevation: 0–300 m.
Distribution
Ala., Ark., Conn., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Miss., Mo., N.J., N.C., Okla., Pa., S.C., Tenn., Tex., Va.
Discussion
Selected References
None.
Lower Taxa
None.