Piper piscatorum

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Piper piscatorum

Content

<<Inflorescences>Peduncle>Length

0.4-0.5(-1) cm long1
1. 004-002-001

<<Inflorescences>Spikes>Length

4-7 cm long2
2. 004-003-001

<<Infructescences>Fruits>Diameter

1.5 mm in diam.3
3. 005-002-001

<<Infructescences>Fruits>Stigma

stigmas 4, sessile.4
4. 005-002-002

<<Petiole>Blade>Apex

apex acuminate,5
5. 003-002-004

<<Petiole>Blade>Base

base equal or almost equally attached to petiole, subacute to obtuse or rounded, glabrous;6
6. 003-002-005

<<Petiole>Blade>Dimensions

(5.5-)7.5-17(-19.5) x (2.5-)3.5-6.5(-7.5) cm7
7. 003-002-003

<<Petiole>Blade>Shape

elliptic-oblong to narrowly ovate8
8. 003-002-002

<<Petiole>Blade>Texture

subcoriaceous9
9. 003-002-001

<Habit>Height

to 1 m tall10
10. 001-001

<Inflorescences>Floral bracts

floral bracts cucullate, glabrous.11
11. 004-005

<Inflorescences>Growth form

erect12
12. 004-001

<Inflorescences>Peduncle

peduncle , glabrous;13
13. 004-002

<Inflorescences>Rachises

rachis pubescent;14
14. 004-004

<Inflorescences>Spikes

spike , green, apiculate;15
15. 004-003

<Infructescences>Fruits

fruits separate at maturity, not sulcate, globose, , papillose at apex, glabrescent,16
16. 005-002

<Infructescences>Length

to 6 cm long17
17. 005-001

<Petiole>Blade

blade , dull green, not conspicuously glandular-dotted, , ,18
18. 003-002

<Petiole>Length

0.5-2 cm long19
19. 003-001

<Petiole>Veins

pinnately veined, secondary veins (5-)7-8(-11) per side, originating from throughout primary vein, anastomosing well within margin, impressed or slightly prominulous above, prominent below, tertiary venation obsolete.20
20. 003-003

<Stems>Upper internodes

upper internodes finely striate.21
21. 002-001

Description

Subshrub, to 1 m tall. Stem glabrous or glabrescent; upper internodes finely striate. Petiole 0.5-2 cm long, vaginate at base; blade subcoriaceous, dull green, not conspicuously glandular-dotted, elliptic-oblong to narrowly ovate, (5.5-)7.5-17(-19.5) x (2.5-)3.5-6.5(-7.5) cm, apex acuminate, base equal or almost equally attached to petiole, subacute to obtuse or rounded, glabrous; pinnately veined, secondary veins (5-)7-8(-11) per side, originating from throughout primary vein, anastomosing well within margin, impressed or slightly prominulous above, prominent below, tertiary venation obsolete. Inflorescence erect; peduncle 0.4-0.5(-1) cm long, glabrous; spike 4-7 cm long, green, apiculate; rachis pubescent; floral bracts cucullate, glabrous. Infructescence to 6 cm long; fruits separate at maturity, not sulcate, globose, 1.5 mm in diam., papillose at apex, glabrescent, stigmas 4, sessile.

Distribution

Guianas, Southern America: Brazil West-Central (Mato Grosso present); Venezuela (Venezuela present)
Venezuela and Brazil (Mato Grosso); not yet reported from the Guianas, but expected to be used there too as fish poison.

Habit

Subshrub, .22
22. 001

Inflorescences

Inflorescence ;23
23. 004

Infructescences

Infructescence ;24
24. 005

Notes

For differences with Piper aulacospermum, see note to the latter.

Petiole

Petiole , vaginate at base;25
25. 003

Stems

Stem glabrous or glabrescent;26
26. 002

Uses

Roots and branches are used as fish poison; also used to alleviate pain of teeth and gums. ().
According to R. Callejas, the plants have an anaesthetic effect.