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Gossypium tomentosum

(Hawaiian Cotton)

Overview

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Ornamental shrub from New Guinea, grown widely for its variegated foliage . The short brownish fibers on the seeds of the Hawaiian cotton are not commercially useful but the Hawaiian plants have been used in cotton breeding programs in attempts to improve disease resistance in commercial cotton.

Threatened

Threat status

Common Names

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Click on the language to view common names.

Common Names in English:

Hawai'i Cotton, Hawaiian Cotton, Ma'o

Common Names in Portuguese:

Algadoeiro, Algodão

Description

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Genus Gossypium

Herbs annual or perennial , sometimes shrubs ; all parts irregularly dotted with dark oil glands . Leaf blades usually palmately 3-9-lobed, rarely entire . Flowers solitary, subterminal . Pedicel not articulated, usually with glands below insertion of epicalyx lobes . Epicalyx lobes 3(-7), foliaceous , glandular , free or connate at base , entire or toothed to deeply laciniate . Calyx cup-shaped, nearly truncate to 5-lobed. Corolla white or yellow, sometimes with purple center, large; petals 5, apex rounded . Staminal column with many anthers along entire length, apex truncate. Ovary 3-5-loculed; ovules 2 to many per locule; style short, rod-shaped, stigma clavate , 5-grooved. Capsule globose or ellipsoid , loculicidally dehiscent . Seeds globose, densely white long woolly , mixed with short hairs or without short hairs.

About 20 species: tropical and subtropical regions; four species (all introduced ) in China."Gossypium". in Flora of China Vol. 12 Page 264, 296. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Physical Description

Habit: Shrub

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Unambiguous Synonyms

  1. Goodyera ophioides (Fern.) Rydb.
  2. Goodyera repens subsp. ophioides (Fern.) A. Löve & Simon
  3. Goodyera repens var. ophioides Fern.
  4. Gossypium tomentosum Nutt. ex Seem.
  5. Peramium ophioides (Fern.) Rydb.

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : Fl. vit. 1:22. 1865

Name verified on 10-Aug-1999 by ARS Systematic Botanists. Last updated: 12-Aug-1999

Similar Species

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Members of the genus Gossypium

There are approximately 359 species in this genus. Here are just 100 of them:

G. 'Alpina' · G. 'Bet Dagan 11' · G. 'Bravada' · G. 'Christina' · G. 'Clara' · G. 'Condor' · G. 'Fotini' · G. 'Indiana' · G. 'Lachata' · G. 'Lia' · G. 'Maria Del Mar' · G. 'Nata' · G. 'Sofia' · G. 'Sor Angela' · G. 'Tabladilla-13' · G. 'Tabladilla-16' · G. 'Victoria' · G. 'Virgen De Gracia' · G. abyssinicum · G. acuminatum · G. africanum · G. albescens · G. albiflorum · G. album · G. amblospermum · G. anomalum · G. anomalum senarense · G. anomalum subsp. senarense · G. arboretum · G. arboreum (China Cotton) · G. arboreum var. wightianum · G. areysianum · G. aridum · G. aridum var. palmeri · G. armourianum · G. asiaticum · G. aureum · G. auritum · G. australe (Australian Native Cotton) · G. australe var. australe · G. australe var. pedunculatum · G. australiense · G. bakeri · G. bani · G. barbadense (Cotton) · G. barbadense f. casimiranum · G. barbadense f. darwinii · G. barbadense f. eggersii · G. barbadense L. 'Pirna' · G. barbadense L. var. brasiliense (Macf.) Mauer · G. barbadense subsp. microcarpum · G. barbadense subsp. peruvianum · G. barbadense subsp. racemosum · G. barbadense subsp. sprucei · G. barbadense subsp. typicum · G. barbadense subsp. vitifolium · G. barbadense var. apospermum · G. barbadense var. brasiliense · G. barbadense var. braziliense · G. barbadense var. breve · G. barbadense var. caravonicum · G. barbadense var. cayanense · G. barbadense var. darwinii · G. barbadense var. deltaicum · G. barbadense var. eubarbadense · G. barbadense var. integrum · G. barbadense var. marie-galante · G. barbadense var. maritimum · G. barbadense var. microcarpum · G. barbadense var. nubarense · G. barbadense var. pedatum · G. barbadense var. peruvianum · G. barbadense var. rufum · G. barbadense var. strictiflorum · G. barbodense · G. barbosanum · G. benadirense · G. bickii · G. bicolor · G. birkinshawii · G. brasiliense var. apospermum · G. brevilanatum · G. bricchettii · G. caespitosum · G. caicoense · G. californicum · G. calycotum · G. cambayense · G. capitis-viridis · G. cavanillesianum · G. ceratodenum · G. cernuum · G. chinense · G. cinereum · G. comesii · G. contextum · G. convexum · G. costulatum · G. croceum · G. cunninghamii

Bibliography

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More Info

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal December 05, 2007:

Identifiers

Footnotes

Last Revised: 2008-11-03