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Peperomia oahuensis

C.DC. (1869)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Magnoliids Order: Piperales Family: Piperaceae Genus: Peperomia

‘ala‘ala wai nui [alaala wai nui]

Description

Key Characters:

Growth Form: Fleshy herbs.

Stems: Stems green or reddish–tinged, zigzag, ascending from a repent base, 5–30 cm long, 2–3.5 mm in diameter toward base, unbranched or branched above base, internodes 0.4–6 cm long, with a small ridge along opposite sides, glabrous.

Roots:

Leaves: Leaves simple. Alternate, rarely some of them opposite. Blades elliptic–lanceolate to elliptic, sometimes lanceolate, or rarely narrowly subrhombic, 4.5–10(–12) cm long, 1.4–2.5(–3) cm wide. Apex long-acuminate to acute. Base cuneate. Surfaces glabrous, medium green on upper surface; lower surfaces pale green, rather thick and firm–fleshy. Margins flat. Palmately 3-veined, sometimes 5-veined and the outermost pair inconspicuous, veins scarcely impressed on upper surface. Petioles 0.3–1 cm long, glabrous. Stipules absent.

Flowers: Flowers in spikes 1–3-clustered, usually axillary, sometimes also terminal, 4–7 cm long, the rachis 1.5–2mm in diameter, glabrous, flowers well-spaced, peduncles 0.6–1 cm long. Flowers bisexual (perfect), perianth absent. Each flower subtended by a peltate bract. Calyx (sepals) absent. Corolla (petals) absent. Stamens 2. Ovary superior, obovoid, 1-carpellate, 1-celled, apex oblique; ovules 1 per cell, orthotropous, erect; stigmas 1–4, subterminal.

Fruit: Fruit broadly ovoid; 0.7–0.8 mm long; papillose–viscid with sessile glands. Seeds 1 per fruit; with scanty endosperm and copious; starchy perisperm.

Ploidy: 2n = 44*; 96*

Habitat: Mesic valleys.

Elevation Range: 300–550 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: A.P.de Candolle, Prodr. 16(1): 422 (1869)

Other References

Wagner et al. 1990:1032 (K, O)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details From underside of Antidesma platyphyllum trunk and emerging from an Asplenium nidus root mass. Preserved_Specimen pendent. Takeuchi, W.N. 2405 Oahu BISH 1985-08-17
2 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet slope Preserved_Specimen Nitta, K. Oahu BISH 1930-02-16
3 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details On slopes with Clidemia and Touchardia. On Antidesma. Preserved_Specimen Epiphyte Takeuchi, W.N. 2022 Oahu BISH 1985-02-24
4 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on kukui Preserved_Specimen epiphyte Degener, O. 4023 Oahu BISH 1931-04-04
5 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details shaded stream bank Preserved_Specimen St.John, H. 10170 Oahu BISH 1930-01-19
6 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on mossy tree trunk, rainy forest Preserved_Specimen Hosaka, E.Y. 2400 Oahu BISH 1938-09-27
7 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros lowland wet forest with Antidesma platyphyllum var. hillebrandii, Syzygium sandwicensis, Cheirodendron platyphyllum, Ilex anomala. Understory: Dubautia knudsenii, Psychotria mariniana, P. hexandra, Psychtr Preserved_Specimen herb, 25 cm long, epiphytic on Pisonia wagneriana, ca 30 plants Wood, K.R. 8093 Kauai BISH 1999-12-17
8 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Secondary forest dominated by Aleurites, Psidium, and Metrosideros. On moss covered rock. Preserved_Specimen Flynn, T.W. 1778 Kauai BISH 1986-06-13
9 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Lowland wet forest, riparian vegetation, 70-80% cover w/ Metrosideros 8-12 m, or Aleurites 8-10 m with abundant understory of Psidium guajava and Clidemia hirta w/ Pisonia umbelifera, Ilex, Psychotria mariana, Kadua affinis, Pipturus albidus, Freycine[tia] Preserved_Specimen Herb, epiphytic on Antidesma platyphylla, stems green-yellow or tinged reddish, in flower and fruit, common. Wood, K.R. 17833 Kauai BISH 2018-05-29
10 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Epiphytic 1-2 m up on mossy trunk Preserved_Specimen Warshauer, F.R. 2840 Maui BISH 1980-07-15
11 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet forest; on bark of tree Preserved_Specimen Fosberg, F.R. 9550 Oahu BISH 1933-06-12
12 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details along stream Preserved_Specimen Degener, O. 4271 Oahu BISH 1932-03-27
13 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and matting ferns of Diplopterygium & amp; Dicranopteris w/Broussaisia arguta, Perrottetia sandwicensis, Touchardia latifolia, Pipturus albidus, P. ruber, Psychotria mariniana, P. hexandra, Antidesma platyphylla, Polyscias oahuensis, Kadua affinis, Melico Preserved_Specimen Epiphytic on Antidesma, uncommon Wood, K.R. 15757 Kauai BISH 2013-12-04
14 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Growing epiphytically in a canopy of Hibiscus punaluuensis; moss growing on lateral branches. Preserved_Specimen Obata, J.K. Oahu BISH 1990-05-29
15 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet slope Preserved_Specimen Nitta, K. Oahu BISH 1930-04-06
16 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on mossy trunk of Hibiscus arnottianus, 15' from ground Preserved_Specimen St.John, H. 10092 Oahu BISH 1929-11-30
17 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details moist gully Preserved_Specimen Hosaka, E.Y. 1064 Oahu BISH 1933-06-11
18 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on Eugenia malaccensis; with Ophioglossum, Nephrolepis, Psilotum, mosses, liverworts Preserved_Specimen epiphyte Herbst, D.R. 1524 Oahu BISH 1970-01-18
19 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet, wooded slope Preserved_Specimen Hosaka, E.Y. 816 Oahu BISH 1932-10-16
20 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on moist tree trunk Preserved_Specimen Hosaka, E.Y. 682 Oahu BISH 1932-09-18
21 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet gully Preserved_Specimen Hosaka, E.Y. 1078 Oahu BISH 1933-06-11
22 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen epiphyte Degener, O. 8768 Oahu BISH 1931-05-31
23 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Open woods. On mossy trunk. Preserved_Specimen St.John, H. 13416 Oahu BISH 1933-12-10
24 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details on prostrate log Preserved_Specimen St.John, H. 13662 Kauai BISH 1933-12-25
25 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hosaka, E.Y. 965 Oahu BISH 1933-04-16
26 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1015 Oahu BISH 1908-12-01
27 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron mixed wet forest, dissecting drainages and matting ferns of Diplopterygium and Dicranopteris with Broussaisia arguta, Perrottetia sandwicensis, Touchardia latifolia, Pipturus albidus, P. ruber, Psychotria mariniana, P. he Preserved_Specimen Herb, few-branched, epiphytic on Antidesma, occasional, in flower and fruit Wood, K.R. 18194 Kauai BISH 2019-05-15
28 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen epiphyte Herat, T. 269 Oahu BISH 1972-08-26
29 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet Metrosideros forest on trunk and branches of 15 ft+ ohia. Preserved_Specimen High epiphyte. Takeuchi, W.N. 3861 Oahu BISH 1988-05-08
30 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Yuncker, T.G. 3151 Oahu BISH 1932-10-16
31 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hosaka, E.Y. 202 Oahu BISH 1929-04-06
32 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bush, W. 4346 Oahu BISH 1929-06-23
33 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Swezey, O.H. 12769 Oahu BISH
34 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2209 Oahu BISH 1915-08-17
35 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Meebold, A. Oahu BISH 1932-06-01
36 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Russ, G.W. Oahu BISH 1933-06-08
37 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Oahu BISH 1908-10-10
38 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Suehiro, A. Oahu BISH 1932-10-16
39 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Suehiro, A. Oahu BISH 1933-01-08
40 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Oahu BISH 1909-05-30
41 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details mixed forest with riparian vegetation Pisonia umbellifera, Antidesma platyphylla Syzygium sandwicensis, Psychotria mariniana, P. mauiensis, P. wawrae, Melicope clusiifolia, Broussaisia arguta, Cyrtandra kealiae urceolata, C. longifolia, C Preserved_Specimen herb, epiphytic on Polyscias oahuensis, leaves, stems, spikes, light to medium green Wood, K.R. 15553 Kauai BISH 2013-06-27
42 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1706 Oahu BISH 1911-04-09
43 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 4275 Oahu BISH 1931-08-05
44 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Topping, D.L. 3088 Oahu BISH 1925-04-05
45 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details slope Preserved_Specimen Hosaka, E.Y. 4347 Oahu BISH 1930-04-06
46 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details Growing epiphytic on Hibiscus arnottianus in wet forest dominated by Metrosideros spp., Melicope clusaefolia, Pritchardia martii, Dicranopteris linearis, Microlepis setosa, Diplazium sandwichianum, Sadleria pallida, Rubus rosifolius, Adenophorus pinnatifidus, Bazzania spp., Radula cordata, Leucobryum gracile, and others. Preserved_Specimen Epiphytic succulent plant with zigzag stems and big oblanceolate leaves. Stems fleshy, red-ish. Thomas, M.K. 611 Oahu BISH 2023-10-25
47 Peperomia oahuensis Locality redacted. Contact Bishop Museum Botany Department for details wet forest Preserved_Specimen epiphyte; stems and leaves fleshy; stems reddish; leaves pale beneath Fosberg, F.R. 13759 Oahu BISH 1937-04-25
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