Blakella citriodora

(Hook.) Crisp & L.G.Cook (2024)

This name is accepted

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

lemon-scented gum

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Description

Key Characters:

Growth Form: Trees 25–40 m tall.

Stems: Bark white or sometimes pink, red or bluish gray, powdery, smooth throughout.

Roots:

Leaves: Leaves simple. Adult Alternate. Blades lanceolate to narrowly lanceolate, 8–16 cm long, 0.5–2 cm wide. Apex acuminate. Surfaces concolorous; blade strongly lemon–scented. Margins entire. Petioles 13–20 mm long. Stipules vestigial or absent.

Flowers: Flowers 3 in umbels arranged in terminal, compound inflorescences, peduncles 3–7 mm long, pedicels 1–6 mm long. buds clavate, 8–10 mm long, 4–5 mm wide; operculum hemispherical. Flowers bisexual (perfect), actinomorphic. Calyx modified into an operculum; operculum rounded to conical or slightly beaked. Stamens numerous, in several whorls; anthers dithecal. Ovary inferior; ovules with axile placentation.

Fruit: Fruit ovoid to urceolate; often warty; 7–15 mm long; 7–11 mm wide; valves included.

Ploidy: 2n = 20; 22; 28

Habitat: Planted on Kaua'i; O'ahu; Moloka'i; Maui; and Hawai'i; and at least regenerating from seed in these areas.

Elevation Range:

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Ni'ihau(Incl. Lehua) Only found in cultivation
Kaua'i Only found in cultivation
O'ahu Only found in cultivation
Molokai Naturalized
Maui Potentially naturalizing
Hawai'i Unknown

Dispersal Agents

Forestry

Pollinators

Bibliography

Name Published In: J. Syst. Evol. 62(5): 959 (2024)

Other References

Wagner et al. 1990:952 (K, O, Mo, M, H [as Eucalyptus citriodora]); Hill & Johnson 1995:388/Herbst & Wagner 1999:24 (COMBNOV, Syn. E. citriodora = Corymbia citriodora); Staples & Herbst 2005:420 (KEY [as E. citriodora]), 421 (DESCR); Crisp et al. 2024:959 (Syn. C. citriodora = B. citriodora)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date