Peperomia lancifolia

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Peperomia lancifolia

Content

<<<Inflorescences>Common peduncle>Lateral branches>Length

0.5-1.3 cm long1
1. 004-002-002-001

<<Inflorescences>Common peduncle>Lateral branches

lateral branches , with linear-(ob)lanceolate, cadoucous bracts;2
2. 004-002-002

<<Inflorescences>Common peduncle>Length

2-6 cm long3
3. 004-002-001

<<Inflorescences>Spikes>Length

4-11 cm long4
4. 004-003-001

<<Leaves>Blade>Apex

apex acuminate,5
5. 003-002-004

<<Leaves>Blade>Base

base acute, decurrent into petiole, glabrous;6
6. 003-002-005

<<Leaves>Blade>Dimensions

(3.5-)7-17 x (0.7-)1-3 cm7
7. 003-002-003

<<Leaves>Blade>Shape

narrowly elliptic or narrowly oblanceolate8
8. 003-002-002

<<Leaves>Blade>Texture

fleshy and membranous9
9. 003-002-001

<<Leaves>Petiole>Length

0.5-1 cm long10
10. 003-001-001

<Fruits>Apex

apex with short beak and subapical stigma.11
11. 005-001

<Inflorescences>Common peduncle

common peduncle green, not slender, ,12
12. 004-002

<Inflorescences>Floral bracts

floral bracts rounded, glabrous, glandular.13
13. 004-004

<Inflorescences>Position

terminal or in upper leaf axils14
14. 004-001

<Inflorescences>Spikes

spike densely flowered, erect, , whitish or yellowish green;15
15. 004-003

<Leaves>Blade

blade , , , somewhat ciliate towards apex,16
16. 003-002

<Leaves>Petiole

petiole , glabrous, narrowly winged;17
17. 003-001

<Leaves>Veins

pinnately 7-11-veined.18
18. 003-003

<Stems>Length

10-34 cm long19
19. 002-001

Description

Terrestrial, epilithic or epiphytic herb, erect or ascending and rooting at decumbent base. Stem glabrous, 10-34 cm long, green or reddish. Leaves basely attached, alternate; petiole 0.5-1 cm long, glabrous, narrowly winged; blade fleshy and membranous, narrowly elliptic or narrowly oblanceolate, (3.5-)7-17 x (0.7-)1-3 cm, somewhat ciliate towards apex, apex acuminate, base acute, decurrent into petiole, glabrous; pinnately 7-11-veined. Inflorescence terminal or in upper leaf axils, solitary, bifurcate or once-branched; common peduncle green, not slender, 2-6 cm long, lateral branches 0.5-1.3 cm long, with linear-(ob)lanceolate, cadoucous bracts; spike densely flowered, erect, 4-11 cm long, whitish or yellowish green; floral bracts rounded, glabrous, glandular. Fruits basely attached, narrowly cylindrical, brown, apex with short beak and subapical stigma.

Distribution

C America present, Northern America, from S Venezuela and Guyana toW Brazil and Peru present
Mexico, C America, and from S Venezuela and Guyana toW Brazil and Peru; 12 collections studied (GU: 12).

Fruits

Fruits basely attached, narrowly cylindrical, brown,20
20. 005

Habit

Terrestrial, epilithic or epiphytic herb, erect or ascending and rooting at decumbent base.21
21. 001

Individuals Association

Guyana, Cuyuni-Mazaruni region, Mt. Ayanganna, Pipoly 11083 Guyana, Mt. Kopinang, Hahn 4314 Guyana, Tillett et al. 44973 Guyana, Pakaraima Mts., Mt. Wokomong, Henkel 4455 Guyana, escarpment to foot of Kopinang Falls, Maguire et al. 46076A Guyana, Potaro-Siparuni region, Pakaraima Mts., Henkel 1405

Inflorescences

Inflorescence , solitary, bifurcate or once-branched;22
22. 004

Leaves

Leaves basely attached, alternate;23
23. 003

Notes

In the non-Guyanan Peperomia lancifolia Hook. subsp. erasmiiformis (Trel.) Steyerm., the inflorescence is paniculate.
The collection Maguire 46076A had been misidentified as P. pyramidata Sodiro, the specimen fits well within P. lancifolia having a once-branched panicle, not a compound one as in P. pyramidata from Ecuador.
In the Guianas only: subsp. lancifolia.

Stems

Stem glabrous, , green or reddish.24
24. 002