The morphological characteristics of Tubu Seven

Morphological characteristics

Big flower crow's mouth stout grassy or wood climbing vine, up to 8m or longer. Mostly branched, pubescent. Leaves opposite; petiole length 2.5-tubu seven (8) 6cm; leaf blade papery, broadly ovate or triangularly cordate. Leaves opposite; petiole 2.5-6cm long; leaf blade papery, broadly ovate-triangular, heart-shaped, 5-10cm long, 4-8cm wide, apex shortly acuminate to cuspidate, base surface efferent, margin undulate to lobed, Both sides are pubescent, palmately veined 3-7. Flowers large, sometimes 2-merous racemes growing axils or drooping; pedicels ca. 5 cm; bracteoles 2, oblong-ovate, 2.5-3 cm long, shortly pre-selected hairs; Cut; corolla light blue, yellowish or outside nearly white, 5-8cm long, corolla tube short, throat enlargement, crowns nearly 5 equal split, expanded diameter up to 7cm; stamens 4, 2 strong, anthers hairy elderly , The medicine room is spaced, the short anthers are glabrous and only 1 chamber apart; ovary slightly fleshy, with 2 ovules per locule, stigma deeply 2-lobed, lobes large and fimbriae lobes, ca. 3 cm, lower subglobose The upper part is long, and it looks like a crow's mouth when it cracks. The seeds are hemispherical and the surface is wrinkled and striated.

土牛七


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