Merremia hirta


Images by Karuna Kanta Das (Identified by Ron) (Inserted by J.M.Garg)

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Annual herbs; stem prostrate or twining, slender, terete, sparsely patently hirsute or glabrous, prostrate ones rooting at the nodes or sometime at the internodes; latex milky white. Leaves alternate, simple, highly variable, 0.5-3 x 0.4-1.8 cm, oblong-lanceolate or oblong, ovate or ovate-oblong, linear, linear oblong or orbicular to subquadrate apically obtuse to slightly emarginated and mucronulate, basally rounded, truncate, more or less cordate or nearly hastate, with few hairs near the base along with the margins, entire, glabrous on both sides; lateral nerves 4-5 pairs; petiole 0.4-1.8 cm long, terete, shortly pilose. Flowers axillary, solitary to few flowered cymes, peduncles up to 5 mm long, glabrous or shortly pilose near the base; bract small, ovate, 1 x 1 mm long, apically acute, glabrous, dilated at apex. Sepals subequal, outermost pair small, elliptic, 2.5-2.8 x 2 mm, acuminate or obtuse, glabrous on both side, mottled inside; inner three large, elliptic-oblong, 3.5 x 2-2.5 mm, acute or slightly acuminate, glabrous. Corolla 1-1.5 cm long, pale yellow, companulate to broadly; funnel shaped, tube shallowly five lobed, glabrous. Stamens inserted; anther up to 1 mm long, yellowish white, spirally twisted after dehiscens, filaments unequal, three long, up to 5 mm long, two short, up to 3.5 mm long, attached 1 mm above the corolla base, dilated and hairy at the base. Ovary conical, glabrous, 0.8-1 x 0.6-0.8 mm; style single, up to 4 mm long, glabrous, dilated at base; stigma bi-globose, white, papillate. Nectary disc annular, -1 mm long, slightly lobed. Fruits capsular, globular to broad-ovoid, 7 x 7 mm, with a thin papery wall, smooth, glabrous, crowned with a persistent style base, fruiting sepal inflexed above, 4-valved; seeds 4, rarely 3 or less, orbicular, 2.3-2.5 x 2.4-2.8 mm, brownish, black, glabrous.
Flowering and fruiting: August-December
Grasslands
Indo-Malesia to Australia
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
 
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Merremia sp. (?) from Assam KD 01 Oct : 4 posts by 2 authors. Attachments (9).
Attached images may be Merremia sp. Please ID the plant.  
Date :13.10.2014
Location: Assam
Family : Convolvulaceae
Genus & species : Merremia sp. ??
Habitat: Grows wild on open space
Habit :   Twiner
Merremia hirta
 

Convulvulaceae ID from Bangladesh SM 194 : 3 posts by 2 authors. Attachments (2)
Habitat : Wild
Merremia hirta
 
 
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Convulvulaceae ID from Bangladesh SM 195 : 6 posts by 3 authors. Attachments (2)
Should be a Merremia sp. ..
Merremia species in eFloraofindia (with details/ keys from published papers/ regional floras/ FRLHT/ FOI/ Biotik/ efloras/ books etc., where ever available)  
Characters are not clear. May be Merremia umbellata
Merremia hirta
 
 
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Convulvulacea Id from Bangladesh SM1000 : 2 posts by 2 authors. Attachments (1) 
I hope it is Merremia hirta (L.) Merr
 
 
 
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