Comprehensive Description
provided by North American Flora
Mascagnia macroptera (Moc. & Sesse) Niedzu. Gen Masc. 27. 1908.
Hiraea macroptera Moc. & Sesse ; DC. Prodr. 1 : 586. 1824. Hiraea seplenirionalis A. Juss. Ann. Sci. Nat. II. 13: 259. 1840. Hiraea Grcg%ii S. Wats. Proc. Am. Acad. 17 : 333. 1882. Mascagnia septentrionalis Niedzu. in E. & P. Nat. Pfl. 3* : 55. 1890. Hiraea mexicana Rose, Contr. U. S. Nat. Herb. 1 : 312. 1895.
Branches rather pale, smooth ; leaf-blades ovate, oblong-ovate, oblong, or oblong-lanceolate, mostly 3-8 cm. long, abruptly pointed or acute at the apex, usually with scattered hairs about the midrib and veins beneath, ultimately glabrous, abruptly narrowed at the base, short-petioled, the petiolar glands small, borne at the base of the blade, or obsolete; sepals oval, ovate or oblong-ovate, 3-4 mm. long, the glands one half as long as the sepalbody or less ; petals yellow, rather similar in shape but variable in size, 6.5-12 mm. long, the blades obovate, suborbicular, or ovate, erose-denticulate, not auricled at the base ; samaras 4.5-5.5 cm. wide, the lateral wings flabellate, sparingly pubescent, undulate and often coarsely erose.
Type locality : Near Monterey, Nuevo Leon.
Distribution : Mexico.
- bibliographic citation
- John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY
