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Overview

Comprehensive Description

Miscellaneous Details

"Notes: Western Ghats & Eastern Ghats, Moist Deciduous Forests"
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Brief

Flowering class: Dicot Habit: Climber
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Distribution

Distribution: In disturbed areas, on roadsides and in pastures and vacant lots, at lower to middle elevations. Also on Vieques, St. Croix, St. John, St. Thomas, and Tortola; throughout tropical America.

Public forest: Guánica and Susúa.

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"Maharashtra: Kolhapur, Pune, Raigad, Satara, Thane Karnataka: Chikmagalur, Coorg, Hassan, Mysore, N. Kanara, Shimoga, S. Kanara Kerala: All districts Tamil Nadu: Coimbatore, Madurai, Namakkal, Nilgiri, Salem"
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"
Global Distribution

Pantropical

Indian distribution

State - Kerala, District/s: All Districts

"
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Localities documented in Tropicos sources

Merremia umbellata var. occidentalis Hallier f.:
Bolivia (South America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Ipomoea portobellensis Beurl.:
Panama (Mesoamerica)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Ipomoea polyanthes Roem. & Schult.:
Peru (South America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Merremia umbellata (L.) Hallier f.:
Argentina (South America)
Belize (Mesoamerica)
Burma (Asia)
Bolivia (South America)
Brazil (South America)
Cambodia (Asia)
Colombia (South America)
Costa Rica (Mesoamerica)
Ecuador (South America)
El Salvador (Mesoamerica)
French Guiana (South America)
Guatemala (Mesoamerica)
Guyana (South America)
Honduras (Mesoamerica)
Laos (Asia)
Mexico (Mesoamerica)
Nicaragua (Mesoamerica)
Nepal (Asia)
Panama (Mesoamerica)
Peru (South America)
Philippines (Asia)
Paraguay (South America)
Sri Lanka (Asia)
Suriname (South America)
Thailand (Asia)
United States (North America)
Venezuela (South America)
Vietnam (Asia)
Caribbean (Caribbean)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Localities documented in Tropicos sources

Convolvulus luteus M. Martens & Galeotti:
Mexico (Mesoamerica)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: Throughout the tropics and West Indies; FL Keys.

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Physical Description

Diagnostic Description

Merremia umbellata (L.) H. Hallier, Bot. Jahrb. Syst. 16: 552. 1893.

Fig. 76. H-L

Basionym: Convolvulus umbellatus L.

Synonym: Ipomoea polyanthes Willd. exRoem. & Schult.

Slightly woody vine, climbing or creeping, twining, attaining 5 m in length, with scarce milky latex. Stems slender, cylindrical, glabrous or pubescent, green or copper-colored, with a pair of spiniform projections at the nodes. Leaves alternate; blades simple, 4-17 × 5-12 cm, ovate or lanceolate, chartaceous, glabrous, the apex obtuse, acute, or short-acuminate and mucronate, the base cordiform or sagittate, the margins undulate; upper surface yellowish green, dull, glabrous, with the venation sunken, covered with minute white hairs; lower surface glabrous, with the veins puberulous; petioles cylindrical, usually longer than the blade, pubescent. Flowers in umbelliform cymes, axillary; peduncles shorter than the petioles, angular or cylindrical, puberulous, sometimes with winged projections; pedicels ca. 2 cm long, puberulous. Calyx green, the sepals unequal, 1-1.5 cm long, glabrous, overlapping, ovate or rounded; corolla brilliant yellow, infundibuliform, 2.5-3 cm long, the limb ca. 3 cm in diameter, with obtuse lobes; stamens white, not exserted; stigmas greenish, slightly exserted. Capsule globose, 4-valvate, ca. 1 cm long, brown, covered by the persistent sepals; seeds obtusely trigonal, 5-8 mm long, brown, velvety, with a line of longer hairs on two of the margins.

Phenology: Flowering and fruiting from November to April and sometimes later in the year.

Status: Native, very common.

Selected Specimens Examined: Acevedo-Rdgz., P. 2467; 2472; 4019; 4103; 5402; 6991; Britton, N.L. 10050; Goll, G.P. 499; Sargent, F.H. 90; Shafer, J.A. 2884; Sintenis, P. 829; Stevenson, J.A. 1148.

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Diagnostic

"Twiners; young shoots puberulous. Leaves 4-7 x 1.5-3.5 cm, ovate-lanceolate, base cordate or rounded, apex acuminate, pubescent below; petiole 1.5-2.5 cm long. Inflorescence axillary umbelliform cymes; peduncle 1-3 cm long; pedicels 7-10 mm long. Sepals 6-8 mm long, ovate-lanceolate, apiculate, scarious on margins. Corolla white, campanulate; tube 2-3 cm long, pubescent without; limb 2.5-3 cm across. Stamens 5, unequal; anthers twisted. Ovary 2-celled, ovules 2 in each cell; stigma capitate. Capsule 8-10 x 5-6 mm, ovoid. Seeds long hairy, black."
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Diagnostic

Habit: Climbing Herb
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Ecology

Habitat

General Habitat

"All type of forests, also in the plains"
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Comments: Fences, thickets, waste places, disturbed ground, pinelands at 0-1000 feet.

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Life History and Behavior

Cyclicity

Flowering and fruiting: January-April
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Merremia umbellata

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Merremia umbellata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Merremia umbellata

Merremia umbellata (common names include hogvine, yellow merremia, and yellow wood rose) is a thin vine growing a maximum thickness of 2 cm (0.79 in).[1] It has many uses in Indian traditional medicines.[2] The flowers attract bees, butterflies and birds.

References [edit]

  1. ^ Hyland, B. P. M.; Whiffin, T.; Zich, F. A. et al. (Dec 2010). "Factsheet – Merremia umbellata subsp. orientalis". Australian Tropical Rainforest Plants. Edition 6.1, online version [RFK 6.1]. Cairns, Australia: Commonwealth Scientific and Industrial Research Organisation, through its Division of Plant Industry; the Centre for Australian National Biodiversity Research; the Australian Tropical Herbarium, James Cook University. Retrieved 14 May 2013. 
  2. ^ "Merremia umbellata – Hogvine". Flowers of India (website). Retrieved 14 May 2013. 
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