| 1 |
Pedicel exserted from upper leaves. |
|
(2) |
| + |
Pedicel enveloped by upper leaves (rarely exserted in G. prostrata) or leaves sessile. |
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(5) |
| |
|
|
|
| 2 (1) |
Corolla 1.1-1.5 cm; plicae ovate, apex obtuse. |
|
(3) |
| + |
Corolla 1.8-2.6 cm; plicae oblong to broadly oblong, apex truncate. |
|
(4) |
| |
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| 3 (2) |
Calyx lobes lanceolate; corolla outside with blue-gray stripes; valves of capsules not membranous and transparent |
|
127 Gentiana caeruleogrisea |
| + |
Calyx lobes triangular; corolla outside blue without dark stripes; valves of capsules membranous and transparent |
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126 Gentiana clarkei |
| |
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| 4 (2) |
Leaf apex mucronate with a recurved tip; plicae margin serrulate |
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124 Gentiana pudica |
| + |
Leaf apex not mucronate; plicae margin laciniate |
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125 Gentiana producta |
| |
|
|
|
| 5 (1) |
Stem leaves rigid, shiny, margin broadly membranous except at apex. |
|
(6) |
| + |
Stem leaves herbaceous, not shiny, margin narrowly membranous, cartilaginous, or not modified. |
|
(7) |
| |
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|
|
| 6 (5) |
Stem branches abbreviated and crowded in a dense tuft; corolla (1-)1.5-2 cm, without bluish gray lines in throat |
|
128 Gentiana micans |
| + |
Stem branches not abbreviated nor crowded in a tuft; corolla (2-)2.5-3 cm, with bluish gray lines in throat |
|
129 Gentiana haynaldii |
| |
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|
|
| 7 (5) |
Corolla throat blackish; stamens inserted on apical part of corolla tube |
|
118 Gentiana gyirongensis |
| + |
Corolla throat mostly similar in color to rest of corolla, sometimes with black streaks; stamens inserted at middle or basal part of corolla tube. |
|
(8) |
| |
|
|
|
| 8 (7) |
Corolla salverform. |
|
(9) |
| + |
Corolla tubular to funnelform. |
|
(10) |
| |
|
|
|
| 9 (8) |
Stems not papillate; leaf blade margin membranous, apex acute to obtuse; plicae ovate, margin serrulate |
|
120 Gentiana stellata |
| + |
Stems papillate; leaf blade margin cartilaginous, apex rounded; plicae oblong, margin erose |
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122 Gentiana crenulatotruncata |
| |
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|
|
| 10 (8) |
Stems not papillate; leaves overlapping in 4 distinct ranks; stamens inserted near base of corolla tube; filaments 1.5-2.5 mm |
|
119 Gentiana tetrasticha |
| + |
Stems usually papillate (not papillate in G. prostrata var. karelinii); leaves usually lax, not in well-defined ranks; stamens inserted at middle of corolla tube; filaments (2-)3-6.5 mm. |
|
(11) |
| |
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|
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| 11 (10) |
Seeds with several irregular spongy edges; stem leaf blades suborbicular |
|
121 Gentiana nanobella |
| + |
Seeds without spongy edges; stem leaf blades spatulate to obovate |
|
123 Gentiana prostrata |
