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Melochia umbellata (Houtt.) Stapf

Comprehensive Description

provided by Smithsonian Contributions to Botany
Melochia umbellata (Houttuyn) Stapf

Melochia umbellata (Houttuyn) Stapf, Kew Bull. 1913:317, 1913.—Goldberg, Contr. U.S.N.H. 34 (5):220–222, 1967.

Visenia umbellata Houttuyn, Handleidung 8:309, 1777.

This species was apparently reported under this name first from the Hawaiian Islands by Neal (1948:503). Goldberg (1967:221) reports it only from Oahu in his monograph. He gives its indigenous range as India to New Guinea. It is probably the same plant reported from Hawaii by L. W. Bryan (1947:34) as M. indica A. Gray. It has for a number of years been increasingly abundant along the lower stretches of the Volcano Road above Hilo and along the Stainback Highway. I saw it there in 1961, but did not collect it. It has been in the state at least since 1929 and was probably first introduced around Honolulu, possibly in the Manoa Arboretum. It is a very aggressive plant in disturbed or cleared areas and soon forms a tall secondary scrub. It has large hirsute cordate leaves and cymose panicles of pink flowers.

SPECIMENS SEEN.—Oahu I.: Kapalama “Tip”, 2000 ft [600m], Ewart in 1929 (BISH); Punaluu Valley, Judd in 1931 (BISH); near Puu Kaui, Kaunala, Koolau Range, 1500 ft [450m], Webster 1197 (BISH); Kahuku Mauka, Degener et al. 15548 (US, BISH); Manoa Valley, Arboretum, Caum et al. in 1930 (BISH). Lanai, Waiakeakua, 2300 ft [700m], Munro 270 (BISH) (undated), said to have been obtained from Haiku Board of Agriculture and Forestry Nursery. East Maui I.: Hamakuapoko, Crosby in 1939 (BISH). Hawaii I.: South of Glenwood, Mueller-Dombois H-143 (UH); Stainback Highway, 800 ft [250m], Herbst 882 (BISH).

Waltheria L.
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bibliographic citation
Fosberg, F. Raymond and Sachet, Marie-Hélène. 1975. "Polynesian Plant Studies 1-5." Smithsonian Contributions to Botany. 1-25. https://doi.org/10.5479/si.0081024X.21

Melochia umbellata

provided by wikipedia EN

Melochia umbellata is a species of flowering plant in the mallow family, Malvaceae. Its specific epithet comes from the Latin umbellatus (umbel-like), referring to the inflorescence.[2]

Description

Flowers
Fruits

Melochia umbellata is a shrub or small tree, growing to 2–15 m in height. It grows rapidly and is able to colonise disturbed land.[3] It has large, broadly ovate, leaves 90–300 mm long. The flowers are usually pale pink to red. The seeds are winged and wind-dispersed.[3]

Distribution and habitat

The plant is native to a region extending from India eastwards through Southeast Asia to north-western Australia and New Guinea. It occurs in secondary vegetation and forest clearings, on rocky slopes and along the edges of rivers and forests, often in seasonally dry soil.[2]

It has been introduced elsewhere and is cultivated widely to provide shade for young trees in timber and coffee plantations. Melochia is relished by ruminants when offered as a cut-and-carry feed.[4] It has become an invasive weed on the Island of Hawaiʻi where it was extensively planted in the Hilo area during a 1920s reforestation program.[3]

References

Notes

  1. ^ "Melochia umbellata". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2010-12-08.
  2. ^ a b Flora of Australia Online.
  3. ^ a b c Starr et al. (2003).
  4. ^ Pers.comm.

Sources

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Melochia umbellata: Brief Summary

provided by wikipedia EN

Melochia umbellata is a species of flowering plant in the mallow family, Malvaceae. Its specific epithet comes from the Latin umbellatus (umbel-like), referring to the inflorescence.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN