| 1 |
Perianth throat with a cushionlike, ringed, fleshy appendage. |
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(2) |
| + |
Perianth throat without a cushionlike appendage, but sometimes with a thin ring formed from by fusion of widened filaments. |
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(6) |
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| 2 (1) |
Flower subtended by 2 bracts; free part of filaments 1.5--2.5 mm. |
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(3) |
| + |
Flower subtended by 1 bract; free part of filaments less than 1 mm. |
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(4) |
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| 3 (2) |
Perianth lobes ca. 5 mm, smooth abaxially; filaments 2--2.5 mm |
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15 Campylandra annulata |
| + |
Perianth lobes 6--8 mm, densely verruculose abaxially; filaments 1.5--2 mm |
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16 Campylandra verruculosa |
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| 4 (2) |
Perianth lobes entire at margin |
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12 Campylandra urotepala |
| + |
Perianth lobes erose at margin. |
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(5) |
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| 5 (4) |
Leaves 2--3.5 cm wide; perianth tube with brown dots adaxially |
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13 Campylandra tui |
| + |
Leaves 0.4--1.2 cm wide; perianth tube without brown dots adaxially |
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14 Campylandra lichuanensis |
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| 6 (1) |
Leaves sessile, leaf blade lorate, apex long acuminate. |
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(7) |
| + |
Leaves gradually narrowed basally into a distinct or indistinct petiole, leaf blade varying in shape, apex acute or acuminate. |
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(8) |
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| 7 (6) |
Perianth tubular-campanulate, 5--5.5 mm; fertile bracts longer than flowers, margin denticulate |
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10 Campylandra ensifolia |
| + |
Perianth subcampanulate, 6.5--8 mm; fertile bracts shorter than flowers, margin entire |
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11 Campylandra jinshanensis |
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| 8 (6) |
Rhizome stemlike, elongate, nodes spaced; leaves cauline, slightly spaced. |
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(9) |
| + |
Rhizome short or slightly elongate, nodes dense (sometimes spaced in C. chinensis); leaves basal or nearly so, usually crowded. |
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(10) |
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| 9 (8) |
Spike with several sterile bracts apically |
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1 Campylandra wattii |
| + |
Spike without sterile bracts apically |
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2 Campylandra emeiensis |
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| 10 (8) |
Bracts and perianth lobes fimbriate at margin |
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9 Campylandra fimbriata |
| + |
Bracts and perianth lobes not fimbriate at margin. |
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(11) |
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| 11 (10) |
Widened part of filaments denticulate at margin |
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3 Campylandra aurantiaca |
| + |
Widened part of filaments entire at margin. |
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(12) |
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| 12 (11) |
Anther connective protruding from locules, recurved, ca. 1.5 mm |
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4 Campylandra liangshanensis |
| + |
Anther connective included. |
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(13) |
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| 13 (12) |
Leaves crisped at margin; bracts in proximal 1/2 of spike usually with 1 or 2 teeth at middle of margin |
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5 Campylandra yunnanensis |
| + |
Leaves not crisped at margin; bracts without teeth at margin. |
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(14) |
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| 14 (13) |
Perianth tubular, 7--11 mm |
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6 Campylandra delavayi |
| + |
Perianth campanulate, 4.5--7.5 mm. |
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(15) |
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| 15 (14) |
Peduncle 1--6(--15) mm; perianth 5--7 mm |
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7 Campylandra chinensis |
| + |
Peduncle 15--40 mm; perianth 4.5--5 mm |
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8 Campylandra longipedunculata |
