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Achyranthes polygonoides

Comprehensive Description

provided by North American Flora
Achyranthes polygonoides (L.) Lam. Encyc. 1: 547. 1785
Gomphrena polygonoides LSp. PI. 225. 1753.
Illecebrum polygonoides L. Sp. PL ed. 2. 300. 1762.
AUernanthera polygonoides R. Br. Prodr. 417. 1810.
Bucholzia polygonoides Mart. Nov. Gen. & Sp. 2: 51. 1826.
AUernanthera paronychioides St. Hil. Voy. Distr. Diam. 2; 439. 1833.
Steiremis repens Raf. Fl. Tell. 3: 41. 1837.
Telanthera polygonoides Moq. in DC. Prodr. 13 2 : 363. 1849.
Telanthera polygonoides radicans Moq. in DC. Prodr. 13 2 : 364. 1849.
? Telanthera polygonoides compacta Moq. in DC. Prodr. 13 2 : 364. 1849.
AUernanthera ficoidea Griseb. Fl. Brit. W. Ind. 67. 1859. Not Gomphrena ficoidea L. 1753.
Prostrate herbaceous perennial; stems 1-8 dm. long, branched, the branches stout, striate, often rooting at the nodes, whitevillous when young, glabrate in age; petioles 4-8 mm. long, densely whitevillous at the base; leaf-blades oval, elliptic, or ovate-rhombic, 0.6-2.5 cm. long, 3-11 mm. wide, acute or obtuse at the apex, acuminate or attenuate at the base, green, densely villous beneath when young but soon glabrate, glabrous or nearly so on the upper surface; heads axillary, sessile, solitary or glomerate, usually as broad as long, the flowers white; bracts and bractlets half as long as the sepals or shorter, ovate, acute, mucronate, glabrous; sepals oblong-lanceolate, 4 mm. long, acute, 3~nerved, sparsely pilose below or glabrate; stamens 5, the filaments subulate, the tube very short; staminodia much shorter than the filaments, ovate denticulate; style very short; utricle orbicular or rounded-obovate, nearly half as long as the sepals; seed orbicular, 1 mm. broad, dark-brown, shining.
Type locality: Tropical America. r« m SS T1 Sfr? ON: A 4 v ^ tive atong the coast from North Carolina to Louisiana; on ballast at
S^iffi , SS^fS P ffiS^ BahamaS ^ ^ ^^ AntiUeS ; G ^lou P e; ^enada;
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bibliographic citation
Paul Carpenter Standley. 1917. (CHENOPODIALES); AMARANTHACEAE. North American flora. vol 21(2). New York Botanical Garden, New York, NY
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