Phoradendron morsicatum

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Phoradendron morsicatum

Content

<<<Inflorescences>Peduncle>Fertile internodes>Fertile internode number

2 or 31
1. 004-002-003-001

<<Habit>Basal cataphylls>Cataphyll pair number

1 or 2 pairs2
2. 001-004-001

<<Habit>Basal cataphylls>Relative distance

as low as 0.4 cm when only 1 pair, second pair to 1 cm above axil3
3. 001-004-002

<<Habit>Internodes>Length

to 9 cm long4
4. 001-003-001

<<Inflorescences>Flowers>Flower number per bract

5-95
5. 004-003-001

<<Inflorescences>Flowers>Series

2-seriate6
6. 004-003-002

<<Inflorescences>Peduncle>Cataphyll pair number

a small pair7
7. 004-002-001

<<Inflorescences>Peduncle>Fertile internodes

fertile internodes ;8
8. 004-002-003

<<Inflorescences>Peduncle>Length

5-7 cm long9
9. 004-002-002

<Fruits>Colour

bright orange or brownish orange10
10. 005-001

<Fruits>Dimensions

0.5 x 0.3 cm11
11. 005-002

<Fruits>Perianth segments

perianth segments closed.12
12. 005-003

<Habit>Basal cataphylls

basal cataphylls , .13
13. 001-004

<Habit>Colour

Orange-yellow to yellowish brown14
14. 001-001

<Habit>Internodes

internodes terete, ;15
15. 001-003

<Habit>Texture

fleshy16
16. 001-002

<Inflorescences>Flowers

flowers per fertile bract, .17
17. 004-003

<Inflorescences>Length

to 4.5 cm long18
18. 004-001

<Inflorescences>Peduncle

peduncle usually simple (both interminal and lateral inflorescences), rarely with of cataphylls, ,19
19. 004-002

<Leaf blades>Base

base acute, tapering into very short, poorly defined petiole;20
20. 002-004

<Leaf blades>Dimensions

to 9 x 5 cm21
21. 002-003

<Leaf blades>Shape

lanceolate-ovate22
22. 002-002

<Leaf blades>Texture

leathery23
23. 002-001

<Leaf blades>Veins

venation palmate but nearly obscure.24
24. 002-005

Description

Orange-yellow to yellowish brown plants, dichotomous through terminal inflorescences, fleshy; internodes terete, to 9 cm long; basal cataphylls 1 or 2 pairs, as low as 0.4 cm when only 1 pair, second pair to 1 cm above axil. Leaf blade leathery, lanceolate-ovate, to 9 x 5 cm, base acute, tapering into very short, poorly defined petiole; venation palmate but nearly obscure. Monoecious?Inflorescence to 4.5 cm long; peduncle usually simple (both interminal and lateral inflorescences), rarely with a small pair of cataphylls, 5-7 cm long, fertile internodes 2 or 3; flowers 5-9 per fertile bract, 2-seriate. Fruit bright orange or brownish orange at maturity, 0.5 x 0.3 cm, perianth segments closed.

Distribution

Gran Sabana present, Guyana present, Southern America: Venezuela (Venezuela present)
Venezuela (Gran Sabana) and Guyana; 12 collections studied (GU: 10).

Fruits

Fruit at maturity, ,25
25. 005

Habit

plants, dichotomous through terminal inflorescences, ;26
26. 001

Individuals Association

Guyana, Guyana, Upper Mazaruni R. basin, Mt. Ayanganna, on shoulder of E flank, above Thompson Camp, Tillett et al 45088 Guyana, Ayanganna Plateau, savanna N of mountain center, Pipoly et al. 10899 Guyana, Cuyuni-Mazaruni Region, Pakaraima Mts., Mt. Aymatoi, Maas et al. 5763 Guyana, Mazaruni-Potaro Region, Upper Mazaruni R. basin, N of Karowrieng R., peak of Pakaraima Mts., Pipoly et al. 7766 Guyana, Pakaraima Mts., headwaters of Mazaruni R., banks W of Imbaimadai, Pipoly et al. 7916 Guyana, Upland savanna 2-5 km N of Imbaimadai settlement, white sand savanna, Henkel 46 Guyana, Potaro-Siparuni Region, summit of Mt. Kopinang, Hahn et al. 4382

Inflorescences

Inflorescence ;27
27. 004

Leaf blades

Leaf blade , , ,28
28. 002

Notes

Very similar to P. berteroanum (DC.) Griseb., differing in the low basal cataphylls, the very leathery leaves, and in inflorescence characters. Phoradendron berteroanum, previously known as P. dichotomum Krug & Urb., is not known from the Guianas.

Plant sexuality

Monoecious?29
29. 003