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Myoporum stellatum

(G.L.Webster) O.Deg. & I.Deg. (1983)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Scrophulariaceae Genus: Myoporum

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Description

Key Characters:

Growth Form: Multi–branched shrub, sometimes tree-like 1–4 m tall.

Stems: Pale brown / grey striped bark, leaf–base scar not prominent, non–resinous.

Roots:

Leaves: Leaves simple. Alternate. Blades elliptic (4.8–)6.0–11.5 (–20.0) cm long x (0.8–) 1.1–2.0 (–3.0) cm wide. Apex acute to attenuate or curved. Base attenuate. Surfaces with substellate hairs with darker brown glandular tips. Margins entire or rarely obscurely toothed towards the apex. Petiolate. Stipules absent.

Flowers: Flowers 5–8 in axils, not subtended by bracts. Flowers bisexual (perfect); pedicels flattened at base and rounded apically; 7.5–12.5 mm long. Calyx of 5 rarely 6 sepals, imbricate, ovate–triangular, acute to acuminate, margins membranous; veins pronounced in inside surface when dry; 1.5–2.7 mm long x 1–1.5 mm wide. Corolla white, inside of base of lobes and upper tubes light to deep pink, lacking colored spots but with glands present becoming more obvious in dried specimens. lobes (4–) 5 (–6), 1.8–3.5 mm long, shorter or equal to tube. Tube 2.3– 4 mm long. Stamens 5 (rarely 4 or 6) exserted, glabrous. Ovary superior, oblong obtuse 5–10 locular 1.6–2.3 long x 1–1.7 mm wide; ovule 1 per locule; style glabrous.

Fruit: Drupaceous; depressed globular 4–8 long x 3.5–6.5 mm wide. Exocarp cream colored drying to pale brown wrinkled; mesocarp succulent and watery. Exocarp hard ovoid to deltoid; smoothed or ridged. Seeds ovoid to oblong 2–3 mm long 0.8–1 mm wide; white.

Ploidy:

Habitat: Coraline sandy loams on O'ahu's 'Ewa plain.

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kuaihelani (Midway Atoll) Only found in cultivation
O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Pl. Hawaii Natl. Parks, ed. 3, (*). (1983)

Other References

Wagner et al. 1990:928 (Syn. M. stellatum = M. sandwicense); Chinnock 2007:146/Wagner, Herbst & Lorence 2005– (RESURRECT/O; accessed Jul 2020); Jonathan Plissner pers. comm. 2025 (Note: recently introduced to Mi for restoration and not yet established)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Growing on rocky slope Preserved_Specimen Sporck-Koehler, M. 23 Oahu BISH 2013-11-18
2 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Succulent, hairy. Reynolds, L. 20150122 Oahu BISH 2015-01-22
3 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrubs 3 m high; lvs. pale yellowish green; fl. white, pink dotted. St.John, H. 24809 Oahu BISH 1952-04-27
4 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub 4 m tall; this one more vigorous than the others, and its leaves olive-green. St.John, H. 24808 Oahu BISH 1952-04-27
5 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Common shrub to 10 ft high, behind dunes; flowers white. Henrickson, J.S. 3822 Oahu BISH 1969-07-05
6 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Char, W.P. 155 Oahu BISH 1982-01-30
7 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub, 0.66-2 m high; corolla bell-shaped, white, 5-lobed; fr. a drupe, 6-10? cells, each with one seed at maturity, whitish, surrounded with thin pulp. Stamens 5 , anther just above tube. Pollock, J.B. 1278 Oahu BISH 1924-06-01
8 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrubby tree. Height 2 m. Full sun except for a few hours of dappled shade at midday. Corollas white with rose pink towards the center. Flower fragrance slight (in the evening). Planted from seed. Seed from var. stellatum plants at Barbers Point. Lau, J. 1046 Oahu BISH 1985-06-04
9 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen New leaves densely stellate pubescent on petioles and beneath, less so above Hobdy, R.W. 4347 Oahu BISH 2012-12-07
10 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small shrub; leaves succulent, hairy. Char, W.P. 79.04 Oahu BISH 1979-04-28
11 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bush 4 ft high. Hosaka, E.Y. 1359 Oahu BISH 1936-03-22
12 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Growing on rocky slope Preserved_Specimen Sporck-Koehler, M. 24 Oahu BISH 2013-11-18
13 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub 2 m. high, spreading 3 m.; corolla pink-purple. Webster, G.L. 1243 Oahu BISH 1948-02-04
14 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Up to 6 ft high sprawling tree. Degener, O. 27440 Oahu BISH 1961-01-01
15 Myoporum stellatum Barber's Point, by coast Guard Light House Arid, coralline plain. Growing in assoc. w/ koa haole, kiawe, Achyranthus, Myoporum, Sesuvium, Lycium, Sporobolus virginicus, Cenchrus echinata, Setaria verticillata. Preserved_Specimen Herbst, D.R. 500 Oahu BISH 1967-05-21
16 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub 3 m tall; flowers white, sometimes tinged with purple. Webster, G.L. 1244 Oahu BISH 1948-02-04
17 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Reynolds, L. Oahu BISH
18 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Stokes, J.F.G. Oahu BISH
19 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Traumatic shoot from cut stump. Webster, G.L. 1245 Oahu BISH 1948-02-04
20 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Egler, F.E. 37268 Oahu BISH 1937-08-11
21 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 17038 Oahu BISH 1919-11-01
22 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 17038 Oahu BISH 1919-11-01
23 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Stokes, J.F.G. Oahu BISH 1909-04-20
24 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Woolford, H.A. Oahu BISH 1956-12-16
25 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Woolford, H.A. Oahu BISH 1956-12-16
26 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details eroded coral platform Preserved_Specimen to 1.5 m shrub, bushy; leaves dark green; corolla white to purplish tinged; flower whitish Webster, G.L. 13837 Oahu BISH 1968-06-22
27 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Common in Prosopis forest on flat of coral rock. Preserved_Specimen Rounded bushes up to 1.5 m tall. Flowers from white and well marked with purple; stamens 5 in some flowers, 2 or 1 larger, drupes white. Fosberg, F.R. 29691 Oahu BISH 1948-03-19
28 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Associated with Capparis, Lycium, Achyranthes, Sporobolus, Sicyos, Prosopis. Preserved_Specimen Shrub, about 6 ft. tall. Size and pubescence of leaf and colour of flower (white to white with a purple throat) quite variable. Herbst, D.R. 668 Oahu BISH 1967-10-23
29 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details along beach, arid Preserved_Specimen Degener, O. 9733 Oahu BISH 1932-05-05
30 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Abundant over coral sink hole Preserved_Specimen 3 m. shrubs; leaves pale yellowish green; flower white; pink dotted. St.John, H. 24809 Oahu BISH 1952-04-27
31 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Kiawe Thickets with Achyranthes plants scattered over vacant Lots Preserved_Specimen Flowers on shrubs 4-6 ft high. Perlman, S. 5150 Oahu BISH 1987-01-27
32 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Found occasionally towards the beach. Preserved_Specimen Egler, F.E. 37419 Oahu BISH 1937-08-27
33 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details sand, 20' from highwater mark Preserved_Specimen 4' shrub Takeuchi, W.N. 1709 Oahu BISH 1984-08-19
34 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details rough coral platform, with Capparis sandwichiana, Achyranthes splendens, Lycium sandwicensis, Portulaca, Sesuvium Preserved_Specimen shrub to 5', flowers white, fruit greenish or slightly suffused violet Carlquist, S. 2427 Oahu BISH 1967-03-22
35 Myoporum stellatum Locality redacted. Contact Bishop Museum Botany Department for details Area is disturbed but, several native species inhabit the site, Beach morning glory, Sprobolus virginicus, and Cuscuta among them. Preserved_Specimen Trees are small, 1-3 m, and very common. Funk, E.J. 501 Oahu BISH 1990-05-01
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