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  [Aroid-l] Chaos in Monstera names
From: botanist at malesiana.com (Peter Boyce) on 2008.06.28 at 09:16:21(17994)
Hi Marek, Tom, etc.

Sorry I did pick up on the Monstera thread a bit earlier. Tom is correct, M. pertusa is a Rhaphidophora (R. pertusa).

Rhaphidophora pertusa (Roxb.) Schott, Prodr. Syst. Aroid.: 382. 1860; Hook.f., Fl. Brit. India 6: 546. 1893. - Pothos pertusus Roxb., Fl. Ind. 1: 455. 1820. - Monstera pertusa (Roxb.) Schott, Wiener Z. Kunst 4: 1028. 1830. - Scindapsus pertusus (Roxb.) Schott in H.W.Schott & S.L.Endlicher, Melet. Bot.: 21. 1832. - Rhaphidophora lacera Hassk., Flora 25(2 Beibl.): 11. 1842, nom. illeg.

Very large, very robust, pachycaul, heterophyllous liane to 15 m or more. Stem robustly terete, 3-5 cm diam., Leaves dense along most of the stem except the oldest portion. Petiole shallowly canaliculate, 15-30 cm, pulvini indistinct; petiolar sheath extending 2/3 along the petiole, margins soon marcescent; lamina (juvenile) rotund, entire, apex abrupt acute, 13 ? 11 cm; (adult) oblong-ovate, ovate in outline, 20-50 ? 15-25 cm, irregularly and asymmetrically pinnately cut with the incisions c. ? way to the mid-rib and sometimes occurring as ovate, apex acute, base subcordate, pinnae 2-5 per side. Inflorescence solitary on tips of free lateral shoots. Peduncle cylindric, very robust,15-18 ? 1.5-2 cm. Spathe oblong-ovate, cymbiform, ca. 18 ? 8 cm, spreading at anthesis, thence falling, yellowish to somewhat pinkish tinged; spadix cylindric, ca. 10-12 ? 2-3 cm, base oblique, sessile, yellow. Fruit hexagonal-obconical, 18 ? 5 mm, green-white stylar region sloughing to reveal white or yellow pulp

Distribution. - Sri Lanka, S. India through N.E. Himalaya to Bangladesh, Burma and N. Thailand


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