Melochia corchorifolia

Linnaeus

Sp. Pl. 2: 675. 1753.

Common names: Chocolate weed hirsute melochia redweed
IllustratedIntroducedWeedy
Synonyms: Riedlea corchorifolia (Linnaeus) de Candolle
Treatment appears in FNA Volume 6. Treatment on page 211. Mentioned on page 210.
Revision as of 10:23, 30 July 2020 by imported>Volume Importer
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Herbs, annual or perennial, or subshrubs, to 2 m, taprooted. Leaves: petiole 0.3–5.5 cm; blade ovate to lanceolate, 1.3–9 × 1–7 cm, glabrate, hairs simple on veins. Inflorescences terminal, cymose glomerules, 10–25-flowered; bracteoles 3 or 4, immediately subtending flower. Flowers monomorphic; calyx 2–2.5 mm, teeth acute, distant and sinuses between them rounded; petals purple, pink, or white with yellow base, 3–6 × 1–1.5 mm; stamens and pistil equal, 2.5–3.2 mm. Fruits schizocarps, white, pink, green, purplish, or black, subglobose, not winged, not beaked, 4–5 × 5–6 mm, dehiscence loculicidal and then septicidal, fruit falling apart. Seeds 1 per locule. 2n = 36, 46.


Phenology: Flowering and fruiting (spring–)summer–fall.
Habitat: Agricultural lands, open pinelands, meadows, waste ground, wet or dry soil
Elevation: 0–300(–1000) m

Distribution

V6 379-distribution-map.jpg

Introduced; Ala., Ark., Fla., Ga., La., Miss., N.C., S.C., Tex., Asia, Pacific Islands (East Indies), Pacific Islands (Papua New Guinea), Pacific Islands (Philippines), Australia (Queensland), also in Central America (Panama), South America (Brazil), Africa

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Melochia corchorifolia"
Aaron Goldberg† +
Linnaeus +
1.3 cm13 mm <br />0.013 m <br /> (9 cm90 mm <br />0.09 m <br />) +
ovate +  and lanceolate +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
septicidal +, loculicidal +  and dehiscence +
Chocolate weed +, hirsute melochia +  and redweed +
Ala. +, Ark. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tex. +, Asia +, Pacific Islands (East Indies) +, Pacific Islands (Papua New Guinea) +, Pacific Islands (Philippines) +, Australia (Queensland) +, also in Central America (Panama) +, South America (Brazil) +  and Africa +
0–300(–1000) m +
sparse;copious +
unisexual +  and bisexual +
septicidal +, loculicidal +  and dehiscence +
not winged +  and 5-winged +
septicidal +  and loculicidal +
subglobular +  and pyramidal +
black +, purplish +, green +, pink +  and white +
septicidal;loculicidal;5mm;6mm +
10-25-flowered +  and cymose +
Agricultural lands, open pinelands, meadows, waste ground, wet or dry soil +
antisepalous +, leaf-opposed +, terminal +  and axillary +
connate +  and distinct +
lobed +  and unlobed +
distichous +  and alternate +
entire +, dentate +  and serrate +
white;pink;white;pink;purple +
5 +  and 4 +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +
0.3 cm3 mm <br />0.003 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Flowering and fruiting (spring–)summer–fall. +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
septicidal +, loculicidal +  and dehiscence +
rounded +  and obovoid +
1 +  and 2 +
Illustrated +, Introduced +  and Weedy +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
papillose +
decurrent +
connate +  and distinct +
filiform +
Riedlea corchorifolia +
Melochia corchorifolia +
Melochia +
species +
perennial +  and annual +
subshrub +  and herb +
decumbent +, spreading +  and erect +
10 +, 9 +  and 7 +