Heteroblemma barbatum (Bakh.f.) Cámara-Leret, Ridd.- Num. & Veldk. 2013
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publication ID |
https://doi.org/10.3767/000651913X674945 |
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persistent identifier |
https://treatment.plazi.org/id/3723BF4E-FFC9-6364-FD71-F8A0FEAE1816 |
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treatment provided by |
Felipe |
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scientific name |
Heteroblemma barbatum (Bakh.f.) Cámara-Leret, Ridd.- Num. & Veldk. |
| status |
comb. nov. |
2. Heteroblemma barbatum (Bakh.f.) Cámara-Leret, Ridd.- Num. & Veldk. View in CoL , comb. nov. — Fig. 2a View Fig
Medinilla barbata Bakh.f., Contr.Melastom. (1943) 176. ≡ Recueil Trav.Bot. Néerl. 40 (1946) 176. ≡ Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 91 (1947) 176. — Type: Lam 663 (holo L; BO).
Medinilla jappenensis Ohwi , ined. — Voucher: Aet & Idjan 825 (BO, L).
Innovations hirsute (setae up to 5 mm long). Branchlets smooth, hirsute (setae up to 8 mm long). Petioles terete, 5–14.5 by 3–6 mm, hirsutulous. Leaves oblong to lanceolate, 27.5–42.5 by 6.5–13 cm, 2.8–3.9 times as long as wide, 2.2–3.5 times as long as the petioles, base cuneate, margin entire, glabrous, apex shortly acuminate, texture pergamentaceous (i.s.), underneath hirsutulous (especially on the primaries), 5–7-plinerved, basal acrodromous, first pair of primaries 3 mm away from base, distalmost primaries 35–65 mm away from the preceding pair, submarginal vein conspicuous, secondary nerves conspicuous, 30– 35 pairs, angle of divergence from midvein acute wide, tertiary nerves conspicuous. Bracts 2.5 mm long. Pedicels 5 mm long, hirsute. Mature floral buds urceolate to campanulate, 8 mm long. Hypanthium urceolate to campanulate, 3.5 mm long, yellowish brown, hirsute, hairs up to 5 mm long. Sepals 0.5 mm long, teeth conspicuous, 1.5 mm long, crowned by a 2 mm long hair. Petals 5 mm long, pink, outside papillose. Filaments 2–3 mm long. Anthers 3 mm long, lateral appendages recurved, 1 mm long, dorsal spur rectangular, 1 mm long. Fruit 9 –10 by 8 –9 mm, light green when young, later on white, surface ribbed, hirsute, calyx teeth persistent; pedicels in fruit 5 mm long, hirsute; inside filled with jelly, seeds less than 0.5 mm long, yellow (i.s.).
Distribution — Irian Jaya (Biak, Jayapura (Hollandia)), Jap- pen Biak, Mamberamo), Papua New Guinea (W Prov.).
Habitat — Mixed rain forest, soil peaty, clay with gravel, 60– 850 m altitude.
Collector’s notes — Sinistrorse root climber. Hypanthium yellowish brown. Petals pink. Fruit pale green when young, later white.
Notes — BW 8404 (Vink) is the only collection out of a total of four which has what apparently are acaridomatia on its leaves. These small pouches are a few mm 2 in area and are located adjacent to the midvein.
4 collections were seen.
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