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

1. Theligonum formosanum (Ohwi) Ohwi & T. S. Liu, Fl. Taiwan. 3: 904. 1977.

台湾假繁缕 tai wan jia fan lü

Cynocrambe formosana Ohwi, Acta Phytotax. Geobot. 2: 157. 1933.

Herbs, perennial, small, becoming black when dry. Stem erect, 10-15 cm, branched from base, creeping below, somewhat hairy. Leaf blade broadly ovate, 1.2-2 × 1-1.5 cm, pilose adaxially, puberulent on veins abaxially, base subcordate, subtruncate, or rounded, decurrent to petiole, apex acute; petiole 0.5-1.2 cm; stipules membranous, connate, deltoid-ovate, 2-3 mm, ciliate. Flowers white, unisexual. Staminate flowers: perianth membranous, 3-parted, lobes oblanceolate, 2.5-3 mm, obtuse, reflexed, 3-5-veined; stamens 5-7. Pistillate flowers smaller; perianth 2-lobed, lobes obtuse. Fruit obliquely obovoid, ca. 4 mm, hairy. Fl. Mar-Jul, fr. Jun-Aug.

● Wet places in forests and along mountain trails; ca. 2700 m. Taiwan (Pingdong).


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