693 (holotype, C!). 
Phoebe tetragona (Meissner) Mez, Jahrb. Kénigl. Bot. Gart. Berlin 5: 184. 1889 
Shrubs 0.5 - 1.5 (2) m tall; twigs sharply angular, winged, glabrous; petiole glabrous 0.5 - 
1.25 (2) mm long, 1.1 - 1.7 mm wide; leaf blades (1.5) 2.5 - 5.5 (7.5) cm long, (1) 1.5 - 3 (4.5) 
cm wide, ovate, elliptic, or narrowly elliptic, apex obtuse or rounded, less acute, base cordate, 
chartaceo-coriaceous, pinnately veined or triplinerved, midvein shallowly marked above, raised 
below, glabrous, secondary veins slightly raised below, glabrous, tertiary veins inconspicuous on 
both surfaces, domatia absent; inflorescence (4) 7.5 - 14 (16) cm long, axillary to leaves, cymose- 
paniculate, with small foliose bracts in most of the main branching nodes, peduncle (1) 3 - 6 cm 
long, all axes glabrous, flower pedicels 3 - 8.5 (10) mm long, ; flower narrowly campanulate or 
urceolate, pale greenish yellow, tepals 1.8 - 2.2 mm long, 1.2 - 1.8 mm wide, ovate or elliptic, 
glabrous outside, sericeous inside, stamens of whorls I & I] mm 1.2 - 1.7 mm long, filaments 
glabrous to sparsely pubescent adaxially and abaxially, anthers 0.7 - 1.0 mm long, glabrous, 
sporangia four, stamens of whorl III 1.4 - 1.7 mm long, filaments densely sericeous adaxially, 
glabrous or sparsely sericeous on the base abaxially, anthers 0.5 - 0.8 mm long, sericeous mainly 
on the lower half adaxially, sericeous on connective base abaxially, sporangia two, extrorse, less 
often four, then the lower ones twice as big or bigger than upper ones, glands 0.4 - 0.5 mm long, 
at filament base or slightly above it, sericeous adaxially, staminodes 0.7 - 0.9 mm long, filament 
sericeous on the margins and adaxially, sparsely sericeous abaxially, head 0.5 - 0.6 mm long, 
triangular, base slightly cordate, sericeous at the base adaxially, glabrous abaxially, pistil 1.5 - 
2.0 mm long, ovary 0.8 - 1.1 mm long, 0.6 - 0.9 mm wide; fruit 10.0 15.5 mm long, 6.3 - 7.5 mm 
148 
