Invasive Alien Species
Species Name: Drymaria villosa
- Family Name:
- Drymaria hirsuta Bartl.
- Tropical America, introduced before 1905 in Java
- Slender herb, erect or prostrate and rooting at the base, 5-40 cm long. Stem hairy or sparsely hairy, or glabrous, nodes on each sides with 2 or 3 hair-like appendages. Leaves opposite, shor-t stalked, broadly ovate to reniform, 3-12 x 4-18 mm, both surface hairy when young, sparsely hairy to glabrous when old. Inflorescence in terminal and axillary cymes, in 1-2 times forked cymes, followed by cincinnous long and thin branches; pedicels up to 9 mm long; Sepal 5, free, glabrous. Petal 5, deeply 2-lobed to almost 2-partite, as long as or longer than the sepals, at the base with small ears, white; stamen 3-5; style divided into three about half way. Fruit a 12-23 seeded capsule, opening with three valves, when ripe persisting until after shedding of the seeds. Seeds more or less circular in outline, flattened, warty.
- Invaded Habitat:
- Arable land, road-and watersides, road banks, gardens, river sides; Upland rice fields, tea, cinchona coffee and sugarcane plantations.
- Throughout Indonesia except Kalimantan and Moluccas as far as known
- On not too dry to rather humid soils, in the open or lightly shaded. Occurs from 10-1 600 m altitude, in Papua up to 2 300 m. Flowers all the year round, flowers only open for a short period.
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1965. Flora of Java. N.V. P. Noordhoff. Groningen, Netherlands
- Everaarts, A.P. 1981. Weeds of vegetables in the highlands of Java.
Lembaga Penelitian Hortikultura, Pasar Minggu, Jakarta.
- Soerjani, M., A. J. G. H. Kostermans & Gembong Tjitrosoepomo (Eds.). 1987. Weeds of Rice in Indonesia. Balai Pustaka. Jakarta