Piper marginatum

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Piper marginatum

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<<Inflorescences>Peduncle>Length

1 cm long1
1. 003-002-001

<<Inflorescences>Spikes>Length

10-13(-20) cm long2
2. 003-003-001

<<Petiole>Blade>Apex

apex (long-)acuminate,3
3. 002-002-004

<<Petiole>Blade>Base

base equal or almost equally attached to petiole, deeply cordate, glabrescent or veins puberulent;4
4. 002-002-005

<<Petiole>Blade>Dimensions

10-12 x 8-15 cm5
5. 002-002-002

<<Petiole>Blade>Margins

margin ciliate,6
6. 002-002-003

<<Petiole>Blade>Shape

rounded to ovate7
7. 002-002-001

<Fruits>Stigma

stigmas 3, sessile.8
8. 004-001

<Habit>Height

to 3 m tall9
9. 001-001

<Habit>Odor

fragrant like anise.10
10. 001-002

<Inflorescences>Floral bracts

floral bracts densely marginally fringed.11
11. 003-004

<Inflorescences>Growth form

erect and recurved12
12. 003-001

<Inflorescences>Peduncle

peduncle , glabrous;13
13. 003-002

<Inflorescences>Spikes

spike ;14
14. 003-003

<Petiole>Blade

blade not dark glandular-dotted, , ,15
15. 002-002

<Petiole>Length

4 cm long16
16. 002-001

<Petiole>Veins

palmately 9-11-veined.17
17. 002-003

Description

Subshrub or treelet, to 3 m tall; fragrant like anise. Petiole vaginate to apex, 4 cm long, glabrous; blade not dark glandular-dotted, rounded to ovate, 10-12 x 8-15 cm, margin ciliate, apex (long-)acuminate, base equal or almost equally attached to petiole, deeply cordate, glabrescent or veins puberulent; palmately 9-11-veined. Inflorescence erect and recurved; peduncle 1 cm long, glabrous; spike 10-13(-20) cm long; floral bracts densely marginally fringed. Fruits oblongoid, glabrous, stigmas 3, sessile.

Distribution

Northern America, Southern America: Ecuador (Ecuador present)
From Mexico south to Brazil and Ecuador, the West Indies; over 100 collections studied (GU: 16; SU: 48; FG: 37).

Fruits

Fruits oblongoid, glabrous,18
18. 004

Habit

Subshrub or treelet, ;19
19. 001

Individuals Association

Guyana, Kanuku Mts., Nappi-head on Nappi Cr., Camp 1, Jansen-Jacobs et al. 617 Cayenne, Prévost 3633 Sinnamary, Lescure 227 Guyana, Upper Takutu — Upper Essequibo region, Surana village, McDowell 1903 Suriname, Tapanahoni R., Tabiki, Sauvain 387 Suriname, Maroni R., Sastre 8187

Inflorescences

Inflorescence ;20
20. 003

Notes

When Kunth described Piper catalpifolium, he already observed that it is related to P. marginatum. Steyermark accepted this taxon as P. marginatum var. marginatum f. catalpifolium. The differences are found in the leaf indument consisting of more or fewer hairs on the leaf upper surface. To have to look for some hairs or a few more hairs on the leaves is no argument to create infraspecific taxa. Therefore I do not accept this taxon for the Guianas.
Yuncker (1957: 230-231), recognised two more varieties: var. anisatum and var. clausum; the differences are so small that I do not accept them here.
Piper marginatum is easily recognizable by the deeply cordate, palmately veined leaves.

Petiole

Petiole vaginate to apex, , glabrous;21
21. 002