Piper aduncum

Primary tabs

Piper aduncum

<<<Leaves>Blade>Base>Length

0.3-0.4 cm1
1. 004-002-005-001

<<Inflorescences>Peduncle>Length

0.7-1.2(-2.5) cm long2
2. 005-002-001

<<Inflorescences>Spikes>Length

8-15 cm long3
3. 005-003-001

<<Infructescences>Fruits>Diameter

0.7-0.8 mm in diam.4
4. 006-001-001

<<Infructescences>Fruits>Stigma

stigmas 3, sessile.5
5. 006-001-002

<<Leaves>Blade>Apex

apex acuminate,6
6. 004-002-004

<<Leaves>Blade>Base

base unequally attached to petiole , rounded to subcordate, sparsely pubescent at least on veins above or glabrescent, sparsely pubescent or glabrescent below, somewhat rugulose;7
7. 004-002-005

<<Leaves>Blade>Dimensions

12-24 x 3-8 cm8
8. 004-002-003

<<Leaves>Blade>Shape

lanceolate or lanceolate-oblong or elliptic-ovate9
9. 004-002-002

<<Leaves>Blade>Texture

scabrous10
10. 004-002-001

<<Leaves>Petiole>Length

0.3-0.8 cm long11
11. 004-001-001

<Habit>Height

3-7 m tall12
12. 001-001

<Inflorescences>Floral bracts

floral bracts densely marginally fringed;13
13. 005-005

<Inflorescences>Flowers

flowers densely arranged in rings or spirals;14
14. 005-004

<Inflorescences>Growth form

recurved15
15. 005-001

<Inflorescences>Peduncle

peduncle , sparsely pubescent;16
16. 005-002

<Inflorescences>Spikes

spike , white to green, apiculate;17
17. 005-003

<Inflorescences>Stamens

stamens with broad connective.18
18. 005-006

<Infructescences>Fruits

fruits obovoid, trigonous or somewhat tetragonous, , glabrous or glabrescent, glandular,19
19. 006-001

<Leaves>Blade

blade , yellow-green, , ,20
20. 004-002

<Leaves>Petiole

petiole , pubescent, vaginate near base;21
21. 004-001

<Leaves>Veins

pinnately veined, secondary veins 6-8 per side, arising from 1/2 to 3/4 of primary vein, sharply ascending, impressed above, prominent below, tertiary veins parallel between secondaries, minor veins reticulate.22
22. 004-003

<Prophyllum>Length

to 2.5 cm long23
23. 003-001

<Stems>Upper internodes

upper internodes rather slender.24
24. 002-001

Common Name

English (French Guiana): ga(an) man udu (ana), watnle English (Guyana): bushi man lembelembe

Description

Shrub or treelet, 3-7 m tall. Stem sparsely pubescent to glabrescent; upper internodes rather slender. Prophyll to 2.5 cm long, pubescent at least on primary vein. Leaves somewhat glandular-dotted; petiole 0.3-0.8 cm long, pubescent, vaginate near base; blade scabrous, yellow-green, lanceolate or lanceolate-oblong or elliptic-ovate, 12-24 x 3-8 cm, apex acuminate, base unequally attached to petiole 0.3-0.4 cm, rounded to subcordate, sparsely pubescent at least on veins above or glabrescent, sparsely pubescent or glabrescent below, somewhat rugulose; pinnately veined, secondary veins 6-8 per side, arising from 1/2 to 3/4 of primary vein, sharply ascending, impressed above, prominent below, tertiary veins parallel between secondaries, minor veins reticulate. Inflorescence recurved; peduncle 0.7-1.2(-2.5) cm long, sparsely pubescent; spike 8-15 cm long, white to green, apiculate; flowers densely arranged in rings or spirals; floral bracts densely marginally fringed; stamens with broad connective. Infructescence recurved; fruits obovoid, trigonous or somewhat tetragonous, 0.7-0.8 mm in diam., glabrous or glabrescent, glandular, stigmas 3, sessile.

Distribution

Neotropics present
Throughout the range of the family in the Neotropics; over 100 collections studied (GU: 33; SU: 38; FG: 35).

Habit

Shrub or treelet, .25
25. 001

Individuals Association

Piste de St. Elie, Hahn 3784 Suriname, s.l., Maguire & Stahel 27171 Cabassou Cr., Hoff 5399 Guyana, CAS Mon repos, Harrison 1746 Suriname, Wanica, Kramer & Hekking 2605 Guyana, Mazaruni Station, Jenman 5290

Inflorescences

Inflorescence ;26
26. 005

Infructescences

Infructescence recurved;27
27. 006

Leaves

Leaves somewhat glandular-dotted;28
28. 004

Notes

Piper aduncum is easily recognizable by the strongly curved spikes, and scabrous leaves that are often yellow-green and drooping.

Prophyllum

Prophyll , pubescent at least on primary vein.29
29. 003

Stems

Stem sparsely pubescent to glabrescent;30
30. 002