Argyreia rubicunda
Nomenclature
Accepted name/Authority/Place of publication:
Argyreia rubicunda Choisy, Mém. Soc. Phys. Genève 6 (1834) 426 [Conv. Or. 44].
Type. Myanmar. [Bago Division: Prome] “Toang Dong”, 27 Nov. 1826, Wallich Cat. 1409 (iso G-DC, K-W).
Synonyms:
Lettsomia rubicunda (Choisy) C.B. Clarke in Hook., Fl. Brit. India 4 (1883) 195.
Description
Habit:
Stems twining, densely tomentose (as are petioles and inflorescences) with light fulvous hairs.
Leaves:
Leaves elliptic or sometimes ovate-elliptic, 8–16 by 4–10 cm, base rounded, apex shortly shortly acuminate or obtuse with a short acumen, thinly coriaceous, glabrous above or slightly hairy on the midrib, short pilose to tomentose beneath, more densely so on the nerves; midrib and 7–9 nerves on either side prominent beneath; petioles short and stout, up to 5 cm.
Inflorescences:
Inflorescences axillary; peduncles slender, terete, 8–15 cm, in fruit up to 20 cm, cymosely branched at apex, several- to many-flowered, cyme 6–12 cm diam.; bracts small, caduceus; pedicels 2–4 mm long, thick.
Flowers:
Flower sepals: outer 2 strognly concave, orbicular or slightly broader than long, 6–7 mm long, apex rounded, densely light fulvous tomentose outside, glabrous inside, sepal 3 transverse-elliptic, 6 mm long, outside tomentose with 1 glabrous margin, inner sepals transverse elliptic, 6 mm long, outside densely sericeous with 2 glabrous margins; corolla funnelform to campanulate, pink, deeply 5-lobed, the lobes ovate-oblong (?) with lanceolate, densely hairy midpetaline bands and glabrous margins.
Fruits:
Fruit ovoid, ca 14 mm long, pinkish white or purplish red, base enclosed by cupular to shortly funnelform calyx, the fruiting calyx ca 8 mm high, ca 12–13 mm diam., tomentose outside.
Seeds:
Seed 1.
References:
Ooststroom, Fl. Males. I, 4: 496–512. 1953.
Biogeography, Ecology and Natural History
Distribution Map:
Distribution:
Myanmar, Peninsular Malaysia (Pahang, Perak, Melaka, Negeri Sembilan, Johor).
References:
Ooststroom, Fl. Males. I, 4: 496–512. 1953.
Other information
Common names and uses:
Akar pera bentak, akar saga molek (Malay).
Authorship for webpage
Editor:
George Staples, Esmond Er
Contributors:
