Wikstroemia forbesii

Skottsb. (1964)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malvales Family: Thymelaeaceae Genus: Wikstroemia

‘ākia [akia], kauhi

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Description

Key Characters:

Growth Form: Shrubs up to 1.5 m tall.

Stems: Internodes glabrous.

Roots:

Leaves: Leaves simple. Opposite. Blades ovate to ovate–elliptic, 4–10 cm long, 1.5–5 cm wide. Apex acute to rounded. Base rounded or truncate to subcordate. Surfaces glabrous, dark green on upper surface; lower surfaces lighter, coriaceous, basal lobes sometimes overlapping. Margins entire. Pinnately veined. Petioles 4–10 mm long. Stipules absent.

Flowers: Flowers in peduncles 1–2 mm long, glabrous or with scattered hairs, rachis simple or forked, usually elongating up to 30 mm long in fruit, glabrous or with scattered hairs, pedicels 1.2–5 mm long. Flowers unisexual, yellowish, green, glabrous or with scattered hairs. Calyx tube of staminate flowers 7–8.5 mm long, outer lobes 2–2.8 mm long, 2–2.7 mm wide, inner lobes 1.5–2 mm long, 1.7–2 mm wide; Calyx tube of pistillate flowers 4.5–6.5 mm long, outer lobes 1.5–3 mm long, 1.2–3 mm wide, inner lobes 1–2 mm long, 1.2–2 mm wide. Corolla (petals) absent. Stamens 8, the lower whorl included, the upper whorl sometimes shortly exserted. Pollen globose and polyporate. Ovary superior, 1-celled; ovules solitary and pendulous.

Fruit: Fruit red to orangish red; elliptic; ca.14 mm long; ca. 5 mm in diameter (immature); fruit drupaceous. Seeds without endosperm.

Ploidy: 2n = 18*

Habitat: Wet forests.

Elevation Range: 760–1,150 m.

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Molokai Endemic

Dispersal Agents


Pollinators

Notes

  • 760-1150 m
  • Description digitized by McKenna Bonn-Savage
  • Description digitized from the Manual of the Flowering Plants of Hawaii

Bibliography

Name Published In: Svensk Bot. Tidskr. 58: 180 (1964)

Other References

Wagner et al. 1990:1285 (Mo)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Wikstroemia forbesii Between Wailau and Pelekunu Valleys, NW of Puu Alii wet ohia forest with native trees and shrubs, treeferns; semi-shade Preserved_Specimen Jacobi, J.D. 1547 Molokai BISH 1979-07-15
2 Wikstroemia forbesii Kamakou Preserve, Hanalilolilo trail, below Pepeopae Bog dense rainforest Preserved_Specimen Wagner, W.L. 5416 Molokai BISH 1984-07-17
3 Wikstroemia forbesii Between Wailau and Pelekunu Valleys, Olokui Plateau, Kapapa Pali wet ohia forest with native trees and shrubs, treeferns Preserved_Specimen Higashino, P.K. 9419 Molokai BISH 1980-08-02
4 Wikstroemia forbesii ridge E of Mapulehu Valley rainforest Preserved_Specimen St.John, H. 12881 Molokai BISH 1932-12-29
5 Wikstroemia forbesii Between Wailau and Pelekunu Valleys, Olokui, E ridge wet ohia forest Preserved_Specimen Warshauer, F.R. 2946 Molokai BISH 1980-08-07
6 Wikstroemia forbesii Kainalu, Pukoo open rainforest Preserved_Specimen Degener, O. 20124 Molokai BISH 1949-08-02
7 Wikstroemia forbesii Kainalu, Pukoo open rainforest Preserved_Specimen Degener, O. 20124 Molokai BISH 1949-08-02
8 Wikstroemia forbesii Puu Alii N.A.R. Survey, transect 3, Puu Alii toward Waikolu Valley Rim Metrosideros polymorpha-Cheirodendron montane wet forest with Coprosma, Clermontia pallida, Labordia, Sadleria, Cibotium, Hedyotis, Dubautia laxa, Ilex, Liparis, Myrsine, Melicope, Cyanea solenocalyx. Preserved_Specimen Perlman, S. 10661 Molokai BISH 1989-01-16
9 Wikstroemia forbesii Between Hanalilolilo and Pepeopae, Waikolu Valley, Kawela wet, boggy forest Preserved_Specimen St.John, H. 12611 Molokai BISH 1932-12-25
10 Wikstroemia forbesii mauka of Kaluaaha rainforest Preserved_Specimen Degener, O. 10369 Molokai BISH 1928-06-28
11 Wikstroemia forbesii Makolelau, W of Kuana Ridge and Mooloa falls wet ohia forest, native trees and shrubs, treeferns Preserved_Specimen Stemmermann, R.L. 3905 Molokai BISH 1979-06-21
12 Wikstroemia forbesii East Molokai, Honouliwai damp ridge top in scrub Preserved_Specimen Hobdy, R.W. 1837 Molokai BISH 1983-09-27
13 Wikstroemia forbesii mauka of Kaluaaha rainforest Preserved_Specimen Degener, O. 10369 Molokai BISH 1928-06-28
14 Wikstroemia forbesii Mts. above Puu Kolekole Preserved_Specimen Forbes, C.N. 173 Molokai BISH 1912-07-01
15 Wikstroemia forbesii Mts. above Puu Kolekole Preserved_Specimen Forbes, C.N. 173 Molokai BISH 1912-07-01
16 Wikstroemia forbesii Kalaupapa National Historic Park. Puu Alii 3. forested plateau west of Ohialele Preserved_Specimen Wood, K.R. 11371 Molokai BISH 2005-05-25
17 Wikstroemia forbesii Mountains above Puu Kolekole Preserved_Specimen Forbes, C.N. 163 Molokai BISH 1912-07-01
18 Wikstroemia forbesii Kaulahuki IV, Kamiloloa Preserved_Specimen Summers, C.C. Molokai BISH 1983-11-07
19 Wikstroemia forbesii Kalaupapa National Historic Park. Puu Alii 2. middle of transect 2 Preserved_Specimen Wysong, M.L. Molokai BISH 2005-03-23
20 Wikstroemia forbesii Kamoku Preserved_Specimen Molokai BISH