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Pakistan | Family List | Rubiaceae | Pterogaillonia

Pterogaillonia calycoptera (Decne.) Lincz., Nov. Syst Pl. Vasc. 10: 233. 1973.


Pterogaillonia calycoptera

Credit: M. Rafiq

  • Gaillonia calycoptera (Decne.) Jaub. & Spach
  • Jaubertia calycoptera (Decne.) Tachk. & Boulos
  • Neogaillonia calycoptera (Decne.) Puff
  • Neogaillonia stscherbinovskii (Lincz.) Puff
  • Pterogaillonia stscherbinovskii Lincz.
  • Spermacoce calycoptera Decne.

    Erect subshrub, 28-80 cm tall. Stem di-trichotomously branched, woody at base, branches terete, puberulous, lower and older branches glabrous, white; internodes 2-4 cm long, much longer in the flowering branches. Leaves opposite, 10-25 x 1-3 mm, sessile, ± fleshy, scabridulous, linear, oblong-spathulate, revolute, black when dry, stipules polymorphic, lower leaves without stipules or stipules shoe, ± ciliated, upper and floral leaves with an obconical membranous, shortly 6-8-toothed, glabrous involucrate sheath, c. 4 x 4 mm, whitish and reticulately veined. Inflorescence spicate, spikes bifurcating, 2-4 cm long. Flowers mostly solitary, ebracterate, 6-8 mm long. Calyx-tube oblong, c. 3 mm long, scabridulous; lobes membranous, 2-fid, accrescent in fruit, segments lanceolate or oblong lanceolate, acute. Corolla white, 4-6 mm long, puberulous above, glabrous within, deciduous, infundibuliform, 4(-5)-lobbed; lobes linear, obtuse, much shorter than tube, apex ± cucullate. Stamens 4 (-5), inserted in the throat of corolla-tube, 2 short, 2- or 3 long, ± half the lobes of corolla-tube; anthers dorsifixed, cordate-ovate, obtuse. Style deciduous, filiform, glabrous, included; stigma filiform, ± papillose above. Fruit 8-10 mm long (wing included), oblong, puberulous, with the enlarged scarious, free or connate at the base, oblong-lanceolate, white, reticulately veined, c. 5-6 mm long calyx limb.

    Fl. Per.: Jan: June.

    Type: Egypt (Mt. Sinai) Bove 208 (P, W).

    Distribution: Egypt (Sinai), Palestine, Jordan, Saudi Arabia, Yemen, Iran and Pakistan.


    Related Objects  
  • Illustration (M. Rafiq)
  • Image/JPEG

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