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19. Gentianella Moench, Methodus. 482. 1794.
假龙胆属 jia long dan shu
Aliopsis Omer & Qaiser; Aloitis Rafinesque.
Herbs annual, biennial [or perennial]. Leaves opposite [or whorled]. Flowers terminal, solitary or in cymes, 4 or 5-merous. Calyx without intracalycular membrane. Corolla tubular or funnelform, either without appendages or with a vascularized fringed scale across base of each lobe, plicae absent. Nectaries at base of corolla tube. Stamens inserted on corolla tube. Capsules 2-valved, many seeded. Seeds smooth to warty.
About 125 species: N and S temperate zones; nine species in China.
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1 |
Corolla lobes fimbriate at base; calyx lobes keeled; stem branched apically |
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9 Gentianella acuta |
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Corolla lobes glabrous at base; calyx lobes not keeled; stem branched from base. |
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(2) |
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2 (1) |
Flowers 5merous. |
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(3) |
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Flowers 4merous. |
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(6) |
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3 (2) |
Anthers blue; calyx lobe margins and midveins blackish; sinus between lobes cuneate |
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8 Gentianella azurea |
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Anthers yellow; calyx lobe margins and midveins not blackish; sinus between lobes acute or rounded. |
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(4) |
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4 (3) |
Stem leaf blades linear; corolla lobes apically obtuse |
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6 Gentianella moorcroftiana |
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Stem leaf blades ovate-lanceolate to ovate; corolla lobes apically mucronate. |
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(5) |
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5 (4) |
Plants 5-8 cm tall; stem densely purple pilose; leaves petiolate; calyx herbaceous, sinus between lobes acute |
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1 Gentianella gentianoides |
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Plants 10-45 cm tall; stem glabrous; leaves sessile; calyx membranous, sinus between lobes rounded |
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2 Gentianella turkestanorum |
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6 (2) |
Leaves sessile, blade base and apex attenuate |
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7 Gentianella angustiflora |
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Leaves petiolate, blade base narrowed to abruptly contracted, apex obtuse to rounded. |
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(7) |
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7 (6) |
Calyx lobes unequal in width; corolla lobes densely papillate outside |
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3 Gentianella anomala |
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Calyx lobes all similar in width; corolla lobes glabrous outside. |
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(8) |
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8 (7) |
Calyx lobes spatulate, apically recurved; corolla purple |
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4 Gentianella arenaria |
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Calyx lobes elliptic to rhomboid, erect; corolla pale yellow |
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5 Gentianella pygmaea |
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Lower Taxa
Related Links (opens in a new window) |
Treatments in Other Floras @ www.efloras.org
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