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(Last Modified On 1/28/2013)
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(Last Modified On 1/28/2013)
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Species
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ALTERNANTHERA HALIMIFOLIA (Lam.) Standl.
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PlaceOfPublication
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Pittier, PI. Us. Venez. 145. 1926.
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Synonym
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Achyranthes halirifolia Lam. Encycl. 1:547. 178 5. Illecebrum frutescens L'Her. Stirp. Nov. 75. 1788. Illecebrum limense Dum.-Cours. Bot. Cult. 1:646. 180 r2. Paronychia frutescens Desf. Tabl. Bot. ed. 2:54. 181 5. Telanthera crucis Moq. in DC. Prodr. 132:362. 1849. Telanthera frutescens Moq. loc. cit. 365. 1849. Tetanthera frutescens , acutifolia Moq. loc. cit. 366. 1.849. Alternanthera ficoidea y halimifolia (Lam.) 0. Ktze. Rev. Get]. 539. 1 89 1 Telanthera flavogrisea Urban, Symb. Ant. 1:300. 1899. Alternanthera asterotricha Uline, in Field. Mus. Bot. 1:419. I1899. Alternanthera flavogrisea Urban, Symb. Ant. 5:340. 1907. Alternanthera crucis Boldingh, Fl. Dutch W. I. 1: 5 8. 1909. Telanthera halimifolia A. Stewart, in Proc. Calif. Acad. 41:58. 1911 Alternanthera ficoidea var. flavogrisea Fawc. & Rendle, Fl. Jam. 3:140. 1914.
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Description
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Procumbent or decumbent sericeous perennials, the sparingly branched stems to 20 cm. long. Leaves densely pubescent with stellate hairs, rarely glabrate, elliptic to ovate, apically rounded and mucronate, basally rounded to cuneate, 1-5 cm. long, 0.5-2.5 cm. broad; petioles 2-10 nmm. long. Inflorescences of stramineous ovoid heads, 4-12 mm. long, 3-5 mm. broad, sessile in the axils. Flowers perfect; bracts and bracteoles subequal, ovate, acuminate to aristate, 1-3 mm. long; sepals 5, the outer 3 broader, 3-ribbed, basally indurate and hispidulous, 3-5 mm. long; stamens 5, united below into a tube, the pseudostaminodia lacerate and exceeding the filaments; ovary globose to obovoid; style 1, about twice as long as the capitate stigma. Fruit an indehiscent globose utricle 1-1.5 mm. long; seeds reddish brown, cochleate-orbicular, 0.8-1.1 mm. broad.
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Distribution
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Inhabiting woods, thickets, pond borders and sea beaches, mostly at low eleva- tions, this species extends from Mexico and the West Indies to Colombia, Chile and the Galapagos Islands.
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Note
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Standley (in N. Am. Flora 21:140. 1917) indicates that it occurs in Panama. The obvious silvery pubescence usually separates this from the preceding species with which it reputedly intergrades.
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