Rhoogeton

Primary tabs

Rhoogeton

<<<Calyx>Ovary>Stigma>Lobe number

2-lobed1
1. 005-005-001-001

<<<Calyx>Stamens>Anthers>Anther pair number

2 pairs2
2. 005-002-002-001

<<Calyx>Corolla>Colour

orange or red3
3. 005-001-001

<<Calyx>Ovary>Stigma

stigma .4
4. 005-005-001

<<Calyx>Stamens>Anthers

anthers all coherent, coherent in , or all free, dehiscing by longitudinal slits,5
5. 005-002-002

<<Calyx>Stamens>Filaments

filaments not connate,6
6. 005-002-001

<<Calyx>Stamens>Thecae

thecae parallel;7
7. 005-002-003

<<Flowers>Bracteoles>Shape

lanceolate8
8. 004-004-001

<<Fruits>Valves>Opening angle

to 180°9
9. 006-002-001

<Calyx>Corolla

corolla , nearly trumpet-shaped, but slightly bent downwards;10
10. 005-001

<Calyx>Disk

disc a single large dorsal gland;11
11. 005-004

<Calyx>Ovary

ovary superior,12
12. 005-005

<Calyx>Stamens

stamens included,13
13. 005-002

<Calyx>Staminodes

staminode very small;14
14. 005-003

<Flowers>Bracteoles

bracteoles small, ;15
15. 004-004

<Flowers>Flower number per inflorescence

1-616
16. 004-002

<Flowers>Pedicels

pedicellate.17
17. 004-005

<Flowers>Peduncle

long pedunculate;18
18. 004-003

<Flowers>Position

axillary19
19. 004-001

<Fruits>Valve number

2-valved20
20. 006-001

<Fruits>Valves

valves opening .21
21. 006-002

<Habit>Growth form

erect22
22. 001-001

Calyx

Calyx lobes free;23
23. 005

Cytology

Chromosome number unknown.

Description

Terrestrial acaulescent erect herbs, sometimes tuberous. Stems unbranched. Leaves radicular, rosulate, equal to strongly unequal in a pair, venation pinnate, stomata randomly scattered, foliar nectaries absent. Flowers axillary, 1-6, in umbellate, subcymose, or thyrsoid, inflorescences; long pedunculate; bracteoles small, lanceolate; pedicellate. Calyx lobes free; corolla orange or red, nearly trumpet-shaped, but slightly bent downwards; stamens included, filaments not connate, anthers all coherent, coherent in 2 pairs, or all free, dehiscing by longitudinal slits, thecae parallel; staminode very small; disc a single large dorsal gland; ovary superior, stigma 2-lobed. Fruit a dry, loculicidally dehiscent, 2-valved capsule, valves opening to 180°.

Distribution

Guayana Highlands of Venezuela present, Guyana present, Southern America
A genus of 2 species of the Guayana Highlands of Venezuela and Guyana, and neighbouring Brazil

Flowers

Flowers , , in umbellate, subcymose, or thyrsoid, inflorescences;24
24. 004

Fruits

Fruit a dry, loculicidally dehiscent, capsule,25
25. 006

Habit

Terrestrial acaulescent herbs, sometimes tuberous.26
26. 001

Leaves

Leaves radicular, rosulate, equal to strongly unequal in a pair, venation pinnate, stomata randomly scattered, foliar nectaries absent.27
27. 003

Stems

Stems unbranched.28
28. 002