Mapania richardsii

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Mapania richardsii


Leaves subcoriaceous, broadly linear, with the midnerve prominent beneath and 2 of the lateral nerves prominent above, septate-nodulose by numerous cross-nervules, scabrous on the margins towards base and apex and on the midnerve near the top, gradually narrowed towards the conduplicate base but not petioled, abruptly contracted at the apex into a triquetrous, aculeate-scabrous, 1-8 cm long tail, 65-120 by 2½-4½ cm. Inflorescence capitate, consisting of c. 6 very densely packed spikelets, simulating a single spikelet, broadly ellipsoid to globose, 9-11 mm long and wide. Flowers 6 mm long;


Asia-Tropical: Borneo present (Sarawak present), Belaga present, Dulit trail present, Kapit Distr present
Malesia: Borneo (Sarawak: Dulit trail; Belaga, Kapit Distr.).


UITTIEN placed this species next to M. cuspidata and M. borneensis, but in his system it should be referred to subg. Halostemma next to M. debilis and M. longiflora, which have the same type of inflorescence.