Anadendrum, IN INDO-CHINA AND

KEY TO SPECIES OF ANADENDRUM IN INDO-CHINA AND View in CoL THAILAND

1. Spathe limb glossy medium green; perigone much shorter than gynoecium; anthers longer than filaments at anthesis................................ A. chlorospathum View in CoL

1. Spathe limb creamy white, white, or creamy green with purple patches; perigone equalling or exceeding the gynoecium; anthers shorter than filaments at anthesis............ 2

2. Leaf blade ovate-cordate to oblong, base truncate to weakly cordate or slightly cuneate, drying dull grey; spathe creamy green with scattered purple blotches; spadix with fertile portion not exceeding 2 cm long.............. A. griseum View in CoL

2. Leaf blade oblong-lanceolate, often somewhat falcate, base never cordate or truncate; drying pale brown, black-brown or chestnut brown; spathe whitish or greenish white; spadix with fertile portion exceeding 2.5 cm long............ 3

3. Petiole 12–20 cm; petiolar sheath extending 4/5 length of the petiole, degrading into fibres; peduncle spreading to declinate with the spadix erect, leaf blades drying black-brown....................... A. marcesovaginatum View in CoL

3. Petiole 4.5–12 cm; petiolar sheath extending to the base of the geniculum, marcescent and then deciduous but not fibrous....................................... 4

4. Leaf blade narrowly lanceolate, markedly unequal, the wider side basally slightly cordiform, the narrower cuneate, drying very pale brown; peduncle spreading at almost 90° to the shoot with spadix erect by a sharp bend in the junction of the spathe to peduncle.............. A. angustifolium View in CoL

4. Leaf blade oblong-lanceolate, somewhat falcate, very slightly oblique, drying chestnut-brown; peduncle erect with spadix orthotropic............................. A. badium View in CoL