Aristolochia papillifolia

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Aristolochia papillifolia


Stout climber, up to 15 m high. Leaves subcoriaceous, broad-ovate or ovate, 13-19 by 9-15.5 cm; Flowers cauligerous, fasciculate. Stamens 6; Capsules cylindric, 6.5 by 1.2 cm, slightly 6-furrowed, obtuse on both ends. Seeds broad-ovate, c. 4 by 3 mm, granular on both surfaces, not winged.


Asia-Tropical: Borneo present (Sabah present, Sarawak present), Gunung Buri present, Sandakan present, Tawau Distr present, Tongod present
Malesia: Borneo (Sabah: Sandakan, Tongod, Tawau Distr.; Sarawak: Gunung Buri).


On the undersurface of the leaves the areolae are papillose, and cavities containing one stoma are surrounded by papillate cells (magnitude × 40); this is a unique character among the Malesian species.
The 1-lipped perianth has 6 glands inside the utricle, a character only known from A. foveolata and a West African species.