Merremia hirta

Merremia hirta (L.) Merr., Philipp. J. Sci. 7(4): 244–245 1912. (Syn: Convolvulus caespitosus Roxb.; Convolvulus hirtus L.;  Convolvulus reptans L.; Ipomoea linifolia Blume; Ipomoea philippinensis Choisy; Lepistemon decurrens Hand.-Mazz.; Merremia caespitosa (Roxb.) Hallier f.; Merremia decurrens (Hand.-Mazz.) H.X. Qiu; Skinneria caespitosa (Roxb.) Choisy);

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.

(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

from  India Biodiversity Portal)

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Merremia sp. (?) from Assam KD 01 Oct : 4 posts by 2 authors. Attachments (9).

Merremia hirta

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Habitat : Wild

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Merremia hirta

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Convulvulaceae ID from Bangladesh SM 195 : 6 posts by 3 authors. Attachments (2)

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Merremia species in eFloraofindia (with details/ keys from published papers/ regional floras/ FRLHT/ FOI/ Biotik/ efloras/ books etc., where ever available)  

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Characters are not clear. May be Merremia umbellata

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Merremia hirta

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Convulvulacea Id from Bangladesh SM1000 : 2 posts by 2 authors. Attachments (1) 

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I hope it is Merremia hirta (L.) Merr

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References:

The Plant List Ver.1.1  Tropicos  GRIN  Flora of China  FOC illustration  My species  India Biodiversity Portal  Plant Wealth of the Lower Ganga Delta: An Eco-taxonomical Approach, Volume 2 By Kumudranjan Naskar (1993- Details)