Medinilla venosa

(Blume) Blume (1831)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Melastomataceae Genus: Medinilla

medinilla

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Description

Key Characters:

Growth Form: Erect shrubs 2–3 m tall.

Stems: Uppermost branches rounded, covered with spreading, plumose, brown hairs.

Roots:

Leaves: Leaves simple. Opposite, decussate. Somewhat unequal in each pair, elliptic, elliptic–oblong, or elliptic–lanceolate, 7–18 cm long, 2.5–9 cm wide. Apex acute to acuminate. Base of larger leaves rounded to subauriculate. Upper surfaces essentially glabrous at maturity; lower surfaces covered with spreading, plumose hairs. Margins entire. Pinnately veined with 3–4 pairs of primary veins diverging from the central vein at successive points above base of blade. Petioles 5–40 mm long. Stipules absent.

Flowers: Flowers in inflorescences 8–11 cm long (incl. peduncle), pedicels 6–8 mm long in fruit, bracts and bracteoles ovate to elliptic–ovate or lanceolate, 5–15 mm long, 2–8(–14) mm wide, 3–5–nerved, deciduous. Flowers bisexual (perfect). Hypanthium ca. 4 mm long, moderately to densely stellate pubescent. Calyx truncate, lobes 4, erect, broadly rounded, ca. 2 mm long. Corolla of 4 petals, pink, obliquely obovate, 9–11 mm long, 5–6 mm wide at apex. Stamens 8, ± equal; filaments 4.5–5 mm long; anthers 3.5–4 mm long, opening by a pore, the truncate dorsal spur ca. 0.25 mm long, deflexed, the ventral appendages ca. 1 mm long. Ovary inferior, densely bristly at summit, 4–6-celled; ovules numerous, placentation axile; style simple; stigma terminal.

Fruit: Berries subglobose; crowned by persistent calyx lobes; berries reportedly white at maturity; 4–celled; 5–7 mm long. Seeds papillose; ca. 0.5 mm long; endosperm absent.

Ploidy:

Habitat: Wet coastal forests.

Elevation Range:

Historical Distribution

Images

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Maui Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Flora 14: 518 (1831)

Other References

Wagner et al. 1990:909 (EM)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Medinilla venosa East Maui, along Hana Hwy., near Honomaele Preserved_Specimen Hobdy, R.W. 2478 Maui BISH 1986-01-01
2 Medinilla venosa East Maui, Nahiku, along Hana Highway in dense forest at Manawaikeae Preserved_Specimen Hobdy, R.W. 3854 Maui BISH 1995-07-18
3 Medinilla venosa Nahiku Preserved_Specimen Emory, K.P. Maui BISH 1957-09-30
4 Medinilla venosa East Maui, Nahiku Hanging over road and spreading below road into pastures. Naturalized. Preserved_Specimen Starr, F. 9901068 Maui BISH 1999-01-06
5 Medinilla venosa East Maui, Nahiku, along the rd to Hana Lowland wet forest. Preserved_Specimen Starr, F. 12121 Maui BISH 2000-12-12
6 Medinilla venosa East Maui, along Hana Hwy. Occasional, in wet forest Preserved_Specimen Nagata, K.M. 2668 Maui BISH 1983-06-27
7 Medinilla venosa Hana Highway in Nahiku area along roadside Preserved_Specimen Gagné, B.H. 3091 Maui BISH 1991-04-01
8 Medinilla venosa East Maui, In small ravine off Hana Hwy., 6.5 mi from Hana Post Office (on Wailuku side) Found with Ardisia, Psidium, Eucalyptus. Preserved_Specimen Ishikawa, S. 349 Maui BISH 1973-12-01