|
|
|
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.
|
|
|
|
| 1 |
Corolla lobes fimbriate at base; calyx lobes keeled; stem branched apically |
|
9 Gentianella acuta |
| + |
Corolla lobes glabrous at base; calyx lobes not keeled; stem branched from base. |
|
(2) |
| |
|
|
|
| 2 (1) |
Flowers 5merous. |
|
(3) |
| + |
Flowers 4merous. |
|
(6) |
| |
|
|
|
| 3 (2) |
Anthers blue; calyx lobe margins and midveins blackish; sinus between lobes cuneate |
|
8 Gentianella azurea |
| + |
Anthers yellow; calyx lobe margins and midveins not blackish; sinus between lobes acute or rounded. |
|
(4) |
| |
|
|
|
| 4 (3) |
Stem leaf blades linear; corolla lobes apically obtuse |
|
6 Gentianella moorcroftiana |
| + |
Stem leaf blades ovate-lanceolate to ovate; corolla lobes apically mucronate. |
|
(5) |
| |
|
|
|
| 5 (4) |
Plants 5-8 cm tall; stem densely purple pilose; leaves petiolate; calyx herbaceous, sinus between lobes acute |
|
1 Gentianella gentianoides |
| + |
Plants 10-45 cm tall; stem glabrous; leaves sessile; calyx membranous, sinus between lobes rounded |
|
2 Gentianella turkestanorum |
| |
|
|
|
| 6 (2) |
Leaves sessile, blade base and apex attenuate |
|
7 Gentianella angustiflora |
| + |
Leaves petiolate, blade base narrowed to abruptly contracted, apex obtuse to rounded. |
|
(7) |
| |
|
|
|
| 7 (6) |
Calyx lobes unequal in width; corolla lobes densely papillate outside |
|
3 Gentianella anomala |
| + |
Calyx lobes all similar in width; corolla lobes glabrous outside. |
|
(8) |
| |
|
|
|
| 8 (7) |
Calyx lobes spatulate, apically recurved; corolla purple |
|
4 Gentianella arenaria |
| + |
Calyx lobes elliptic to rhomboid, erect; corolla pale yellow |
|
5 Gentianella pygmaea |
|
|
|
Lower Taxa
| Related Links (opens in a new window) |
|
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|
|
|
