Lobelia angulata (PROSEA)
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Introduction |
Lobelia angulata J.G. Forster
- Protologue: Fl. ins. austr. prodr.: 58 (1786).
- Family: Campanulaceae
Synonyms
- Lobelia nummularia Lamk (1789),
- Pratia begonifolia Lindl. (1830),
- Pratia nummularia (Lamk) A.Br. & Asch. (1861).
Vernacular names
- Indonesia: ketrus alus, manikan (Javanese), aantingan (Sundanese)
- Philippines: gubagubai, kanapa (Igorot), tutugi (Bontok).
Distribution
From India to south-eastern China, Indo-China, sparsely throughout Malesia, but not recorded from Borneo or the Moluccas. Also in Australia, Tasmania, New Zealand and South America.
Uses
In Java, the pounded leaves are sometimes used for sprue. In Indo-China, the fruits or leaves are used to treat stomach-ache, scabies, infected eyes, swellings and boils.
Observations
- A polymorphous, annual to perennial, branched, creeping or hanging herb, 8-60 cm long, stems terete, rooting at the nodes, glabrous or hairy.
- Leaves alternate, rounded to ovate or reniform, 2-25 mm × 2-35 mm, base cordate, truncate or decurrent, apex acute or rounded, margins dentate to subentire, petiole 0-25 mm long.
- Flowers solitary, axillary, pedicel 0.5-6 cm long; calyx lobes linear-lanceolate to triangular, 1-11 mm long, corolla 4.5-15 mm long, white to pink or purple, outside and inside glabrous or hairy, dorsal lobes 2-14 mm long, connate with lateral ones for 1.5-5 mm, lateral lobes connate to central lobe for 2-12 mm, equal in length, filaments 3-11 mm long, very variable, free for about 3/4 of their length, glabrous or hairy.
- Fruit very variable, an indehiscent or dehiscent capsule or a rather dry to baccate berry, ellipsoid to globose, 6-16 mm × 5-13 mm, reddish-violet, glabrous to hairy, pedicel curved downwards.
- Seed flattened-ellipsoid, about 1 mm long, brown, finely reticulate.
L. angulata occurs on unshaded to shaded moist soils along rivers, along forest roads and in secondary forest, locally abundant in tea plantations, in Java between 600-2300 m altitude.
Selected sources
- [74] Backer, C.A. & Bakhuizen van den Brink Jr, R.C., 1964—1968. Flora of Java. 3 volumes. Noordhoff, Groningen, the Netherlands. Vol. 1 (1964) 647 pp., Vol. 2 (1965) 641 pp., Vol. 3 (1968) 761 pp.
- [135] Burkill, I.H., 1966. A dictionary of the economic products of the Malay Peninsula. Revised reprint. 2 volumes. Ministry of Agriculture and Co-operatives, Kuala Lumpur, Malaysia. Vol. 1 (A—H) pp. 1—1240, Vol. 2 (I—Z) pp. 1241—2444.
- [407] Heyne, K., 1950. De nuttige planten van Indonesië [The useful plants of Indonesia]. 3rd Edition. 2 volumes. W. van Hoeve, 's-Gravenhage, the Netherlands/Bandung, Indonesia. 1660 + CCXLI pp.
- [413] Ho, L.K., Ou, J.C., Sun, M.L. & Sun, C.M., 1995. Two rare alkaloids from Pratia nummularia. Planta Medica 61(6): 567—568.
Main genus page
Authors
- G.H. Schmelzer