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Eucalyptus rudis

Endl. (1837)

This name is accepted

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

desert gum

Description

Key Characters:

Growth Form: Trees 9–20 m tall.

Stems: Bark gray, fibrous on trunk and larger branches, smaller branches gray and smooth.

Roots:

Leaves: Leaves simple. Adult Alternate. Blades lanceolate, 9–14 cm long, 1.3–3 cm wide. Apex acuminate. Blades concolorous. Margins entire. Petioles 15–30 mm long. Stipules vestigial or absent.

Flowers: Flowers 7 in axillary, simple umbels, peduncles 6–15 mm long, pedicels 4–8 mm long. buds ovoid to fusiform, 9–12 mm long, 6–8 mm wide. Flowers bisexual (perfect), actinomorphic. Calyx modified into an operculum; operculum conical. Stamens numerous, in several whorls; anthers dithecal. Ovary inferior; ovule placentation axile.

Fruit: Fruit hemispherical; obconical; or campanulate; 4–6 mm long; 6–9 mm wide; valves 4; exserted. Seeds numerous.

Ploidy: 2n = 22

Habitat: Planted on Kaua'i; O'ahu; Maui; and Hawai'i; and regenerating from seed; being found sporadically in these areas.

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Naturalized
O'ahu Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents

Forestry

Pollinators

Bibliography

Name Published In: S.L.Endlicher & al., Enum. Pl.: 49 (1837)

Other References

Wagner et al. 1990:958 (K, O, M, H)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Eucalyptus rudis Endl. Napili. PRESERVED_SPECIMEN Hank Oppenheimer H20118 Maui PTBG 2/15/2001
2 Eucalyptus rudis Endl. Kalaheo, Papalina Road. Planted grove near entrance to PTBG. PRESERVED_SPECIMEN Tim Flynn 1970 Kauai PTBG 12/1/1986
3 Eucalyptus rudis Endl. Kumuwela ridge, rim of Poomau secondary non-native mesic forest PRESERVED_SPECIMEN K. R. Wood 15450 Kauai PTBG 3/29/2013
4 Eucalyptus rudis Endl. waipio PRESERVED_SPECIMEN russ, g.w. collector number: s.n. Oahu US 8/8/1929
5 Eucalyptus rudis Endl. koloa district. kalaheo; papalina road Planted grove near entrance to PTBG. PRESERVED_SPECIMEN flynn, t. collector number: 1970 Kauai BISH 12/1/1986
6 Eucalyptus rudis Endl. Maui PRESERVED_SPECIMEN Martin, R.T. s.n. Maui BISH 5/21/1905
7 Eucalyptus rudis Endl. Koloa District. Kalaheo; Papalina road Planted grove near entrance to PTBG. PRESERVED_SPECIMEN Flynn, T. 1970 Kauai BISH 12/1/1986
8 Eucalyptus rudis Endl. maui Sand dunes PRESERVED_SPECIMEN martin, r.t. collector number: s.n. Molokai BISH 8/8/1968
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