1 |
Pedicel exserted from upper leaves. |
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(2) |
+ |
Pedicel enveloped by upper leaves (rarely exserted in G. prostrata) or leaves sessile. |
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(5) |
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2 (1) |
Corolla 1.1-1.5 cm; plicae ovate, apex obtuse. |
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(3) |
+ |
Corolla 1.8-2.6 cm; plicae oblong to broadly oblong, apex truncate. |
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(4) |
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3 (2) |
Calyx lobes lanceolate; corolla outside with blue-gray stripes; valves of capsules not membranous and transparent |
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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 |
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5 (1) |
Stem leaves rigid, shiny, margin broadly membranous except at apex. |
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(6) |
+ |
Stem leaves herbaceous, not shiny, margin narrowly membranous, cartilaginous, or not modified. |
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(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 |
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128 Gentiana micans |
+ |
Stem branches not abbreviated nor crowded in a tuft; corolla (2-)2.5-3 cm, with bluish gray lines in throat |
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129 Gentiana haynaldii |
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7 (5) |
Corolla throat blackish; stamens inserted on apical part of corolla tube |
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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. |
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(8) |
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8 (7) |
Corolla salverform. |
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(9) |
+ |
Corolla tubular to funnelform. |
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(10) |
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9 (8) |
Stems not papillate; leaf blade margin membranous, apex acute to obtuse; plicae ovate, margin serrulate |
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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 |
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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. |
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(11) |
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11 (10) |
Seeds with several irregular spongy edges; stem leaf blades suborbicular |
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121 Gentiana nanobella |
+ |
Seeds without spongy edges; stem leaf blades spatulate to obovate |
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123 Gentiana prostrata |