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Pakistan | Family List | Rubiaceae | Asperula

5. Asperula sp.


Scandent herb. Stem quadrangular, glabrous, angles smooth, intemodes 4-5 mm long, shorter in flowering portion. Leaves 5-6 in a whorl, 20-35 x 2.5-3 mm, elliptic, acute-mucronate, shortly scabrid on margin and midrib beneath. Inflorescence axillary, foliaceous cymes, floral leaves much smaller than vegetative leaves. Flowers white, tetramerous, c. 2.5 mm long, glabrous, pedicellate, pedicel 1.5 mm long, enlarged in fruit. Corolla less than 2 mm long (c. 1.8 mm); tube c. 1 mm, infundibuliform, throat naked, lobes triangular-ovate, acute, c. 0.8 mm long. Anthers inserted at the mouth of corolla-tube. Styles 2, included, unequal c. 1 mm long; stigmas globose. Fruit glabrous, c. 1 mm in diameter, ± globose.

Fl. Per.: June.

Distribution: Known from one locality only.

It resembles Asperula karataviensis Pavl. in floral structure but the leaves are larger and the inflorescence is not dichotomously branched. In general habit it has much resemblance with Calium asperifolium Wall. but flowers are distinctly tubular and bracteolate. More material is needed in order to reach a definite decision.


Related Objects  
  • Illustration (M. Rafiq)
  • Illustration

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