Rhododendron cuffeanum

Billeder af Rhododendron cuffeanum

Beskrivelse

R. cuffeanum Craib ex Hutch. Bot. Mag. 143: t. 8721. 1917 (IK)
Local name: Zalatphyu, Taungzalat-ahphyu
Common name: Rhododendron Family: Ericaceae
Locality: Nat Ma Taung National Park, Chin State
Specimen examined: Kyi Kyi Khaing & Myint Myint San (2012-4-26), Nat Ma Taung National Park, Chin State.
Flowering period: December to May Fruiting period: January to June.
Taxonomic Description: Evergreen epiphytic, usually found on pine trees, 1 – 4 m high, stem terete, 2 – 4 cm in diameter; barks grayish brown, with numerous longitudinal and narrow cracks and horizontal small cracks. Found growing between at the elevation of 1800 – 2400 m. Leaves spiral, deep green above and paler beneath, 7 – 11 cm long and 1.4 – 2.7 cm wide; stipules leafy, brownish green to pale green; petioles 0.9 – 1.5 cm long and 0.1- 0.2 cm wide, canaliculate above, glabrous, whitish green, leaf-blade elliptical, tip acute, margin entire, base acute, glabrous at both surfaces, brownish sports at the lower surface. Inflorescences terminal, racemose, inflorescence primordia subcylindrical with pointed end, 4- or 5-flowered, with involucres of bracts, 6.0 – 6.5 cm long and 9.0 – 10.5 cm wide, each flower with a bract.

Flower 5.0 – 6.5cm long and 3.5 – 6.5 cm wide; pedicels 0.7 – 1.7 cm long; glabrous, warty, fragrant, complete, bisexual, irregular, xygomorphic, pentamerous, cyclic, hypogynous. Calyx 5, polysepalus, triangular in shape, minute, valvate, with a few hairs and a few warts. Corolla (5), gamopetalous, corolla 5-lobed, 2.0 – 2.5 long and 1.5 – 2.1 wide, corolla tube 3 – 4 long and 2.0 – 4.4 wide, tubular-campanulate, white, quincuncial, with a few warts at the outer surface.