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FOC | Family List | FOC Vol. 19 | Rubiaceae | Geophila

1. Geophila repens (Linnaeus) I. M. Johnston, Sargentia. 8: 281. 1949.

爱地草 ai di cao

Rondeletia repens Linnaeus, Syst. Nat., ed. 10, 2: 928. 1759; Geophila herbacea (Jacquin) K. Schumann; G. reniformis D. Don; Psychotria herbacea Jacquin.

Herbs, perennial, creeping; stems quadrate to subterete, puberulent or hirtellous to glabrescent, vegetative creeping, 40 cm or longer, reproductive ascending, to 15 cm tall. Petiole 1-5 cm, densely puberulent to pilose or hirtellous often in lines; leaf blade drying membranous to papery and sometimes yellowish green, ovate to suborbicular, 1-3 × 1-3 cm, glabrescent on both surfaces, base cordulate to cordate, margins often undulate, apex obtuse to rounded; secondary veins 2 or 3 pairs, usually grouped in basal half of blade; stipules broadly ovate, 1-2 mm. Inflorescence with flowers 1-3 in umbelliform cymules, puberulent to hirtellous or glabrescent; peduncle 1-4 cm; bracts linear to narrowly triangular, 1.5-3 mm. Calyx glabrous to puberulent; ovary portion ellipsoid, 1.5-2 mm; limb deeply lobed; lobes 4, linear-lanceolate, 2-3 mm, ciliate. Corolla pilosulous to glabrescent outside; tube ca. 8 mm; lobes 4, ovate or ovate-lanceolate, ca. 3 mm, acute. Drupes red, subglobose to ovoid, 4-6 mm in diam., pilosulous to glabrescent; pyrenes dorsally weakly rugulose. Fl. Jul-Sep, fr. Sep-Dec.

Forest and trail margins, ravines, damp places; 100-600 m. Guangdong, Guangxi, Guizhou, Hainan, Taiwan, Yunnan [widespread in tropical Africa, Antilles, Asia, Central America, Madagascar, North America (Mexico), and South America].


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