1	Leaves with petiole 1--4 cm, leaf blade 5--15(--25) cm; inflorescences shorter than or nearly as long as distal leaves, cincinni usually several, not in whorls.		(2)
+	Leaves sessile or base attenuate into short, winged petiole, leaf blade more than (10--)15 cm (except in P. macrobracteata); inflorescences very short or very long, cincinni in whorls or, if not, flowers very dense or inflorescence branched.		(5)
2 (1)	Cincinni pendulous, umbel-like, much shorter than leaves		8 Pollia subumbellata
+	Cincinni spreading or ascending, paniculate, nearly as long as distal leaves.		(3)
3 (2)	Petiole 2--4 cm, leaf blade 10--25 cm; fertile stamens 3		6 Pollia siamensis
+	Petiole less than 1.5 cm, leaf blade 5--15 cm; fertile stamens 6.		(4)
4 (3)	Peduncle 2--6 cm; petiole wingless		5 Pollia miranda
+	Peduncle less than 2 cm; petiole winged		4 Pollia thyrsiflora
5 (1)	Peduncle extremely short, less than 2 cm; whole inflorescence less than 6 cm, densely flowered; sepals persistent, abaxially pubescent		4 Pollia thyrsiflora
+	Peduncle more than 3 cm; whole inflorescence more than 8 cm, densely flowered or not; sepals persistent or not, abaxially puberulent or glabrous.		(6)
6 (5)	Inflorescence branched, branches long, with several nodes and leaf sheaths; leaves abaxially rather densely pubescent; fertile stamens 3		7 Pollia secundiflora
+	Inflorescence without such branches; leaves abaxially glabrous; fertile stamens 6.		(7)
7 (6)	Leaf sheaths less than 1 cm; involucral bracts ovate, herbaceous, apically broadly acute		3 Pollia macrobracteata
+	Leaf sheaths longer than 2 cm; involucral bracts lanceolate and apically acuminate if herbaceous, or apically emarginate if membranous.		(8)
8 (7)	Inflorescence much longer than distal leaves, peduncle more than 15 cm, cincinni often in whorls; sepals persistent; petals ca. 3 mm		1 Pollia japonica
+	Inflorescence shorter than distal leaves, peduncle less than 10 cm, cincinni dense, often not in whorls; sepals caducous; petals ca. 5 mm		2 Pollia hasskarlii