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Leptospermum polygalifolium subsp. polygalifolium

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Myrtaceae Genus: Leptospermum

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Description

Key Characters:

Growth Form: Large shrubs or small trees to 4–7 m tall.

Stems:

Roots:

Leaves: Leaves simple. Alternate. Blades linear, 8–15 mm long, 1.5–3 mm wide. Apex mucronate. Surfaces glabrous, conspicuously glandular–dotted. Margins entire. Short-petiolate. Stipules vestigial or absent.

Flowers: Flowers 1–3, axillary. Flowers bisexual (perfect), actinomorphic. Hypanthium well–developed above ovary. Calyx of 5 sepals, yellowish, deltate, ca. 2–2.5 mm long, apex acute. Corolla of 5 petals, clawed, pale yellow, ca. 5–6 mm long, glandular–dotted externally. Stamens numerous, in a single series; anthers dithecal. Ovary partly inferior, 3–10-celled; ovule placentation axile; style terminal, simple.

Fruit: Capsules woody; loculicidal; usually 5–valved; ca. 6–8 mm in diameter; exserted ca. ½ from hypanthium. Seeds linear.

Ploidy: 2n = 22

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Naturalized

Dispersal Agents


Pollinators

Bibliography

Other References

Wagner et al. 1990:961 (O [as L. flavescens]); Thompson 1989:396/Herbarium Pacificum Staff 1999:6 (KEY, DESCR, Syn. L. flavescens = L. polygalifolium)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Lyon Arboretum, Section 13 Volunteer. Preserved_Specimen Small tree ca. 15' tall with ca. 6 bhd. Herbst, D.R. 645 Oahu BISH 1967-10-12
2 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Kamehameha Girls' School Preserved_Specimen Judd Jr., A.F. Oahu BISH 1937-09-25
3 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Kamehameha Girls' School Preserved_Specimen Rankin, P. Oahu BISH 1938-03-15
4 Leptospermum polygalifolium subsp. polygalifolium Honolulu, HSPA Preserved_Specimen MacDaniels, L.H. 402 Oahu BISH 1927-01-12
5 Leptospermum polygalifolium subsp. polygalifolium Manoa Valley, Lyon Arboretum, Haukulu Full sun dry mesic hillside. Associates; Ardisia crenata, Ardisia elliptica, Psidium cattleyanum. Preserved_Specimen Crushed leaves have a lemony scent pleasant scent. Arthur, K. 166 Oahu BISH 2025-08-29
6 Leptospermum polygalifolium subsp. polygalifolium Waialae Nui ridge Exposed crestline. Preserved_Specimen 2 inds., both flowering. Takeuchi, W.N. 139 Oahu BISH 1984-04-01
7 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Lyon Arboretum, in upper portions of Section H-13 Preserved_Specimen Large shrub to small tree; height up to 15'; up to 9 dbh. Nagata, K.M. 271 Oahu BISH 1967-08-19
8 Leptospermum polygalifolium subsp. polygalifolium Wiliwilinui Trail, Southern Koolau Mountains Mesic forest. Associated Vegetation: Canopy: Eucalyptus sp. Understory: Odontosoria chinensis, Psidium cattleianum Preserved_Specimen Shrubs to small trees up to 4m tall; leaves alternate, linear, apex acute, lower surface with distinct glands, Flowers: petals, white, five, with a distinct claw, axillary, solitary. Fruits/Seeds urn-like capsule, woody. Seedlings present. At last 100 plants. Pender, R. Oahu BISH 2014-06-25
9 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Manoa Valley, H.S.P.A. Arboretum Spreading aggressively in grass cover below koa. Preserved_Specimen Egler, F.E. 3747 Oahu BISH 1937-06-04
10 Leptospermum polygalifolium subsp. polygalifolium Honolulu, Lyon Arboretum, Section 13 Volunteer. Preserved_Specimen Small tree ca. 15' tall with ca. 6 bhd. Herbst, D.R. 645 Oahu BISH 1967-10-12
11 Leptospermum polygalifolium subsp. polygalifolium Waialae Nui ridge Exposed crestline. Preserved_Specimen 2 inds., both flowering. Takeuchi, W.N. 139 Oahu BISH 1984-04-01
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