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TRACHELOSPERMUM

Trachelospermum Lem., Jard. Flear. 1.t. 61. 1851; Hook. f., Fl. Brit. Ind. 3: 667. 1882; Bailey, St. Cyclop. Hort. 3: 3361. 1950; Bor & Raizada, Beaut. Ind. Climb. Shr. 211. 1954; Fl. China @ eFloras.org 16: 166; Nazim. & Qaiser, Fl. Pak. @ eFloras.org p. 30.

Mostly woody climbers or shrubs, latex white. Leaves opposite, penninerved. Inflorescence axillary or terminal cymes, cymes lax. Flowers large, showy, white or purplish, bisexual, actinomorphic, 5-merous, hypogynous. Calyx short, 5-lobed, apex usually denticulate, glandular or scaly within at the base, basal glands 5-10. Corolla rotate or salverform, tube cylindrical, 5-angled, swollen at middle at stamens insertion, constricted at the mouth, 5-lobed, lobes oblong, twisted to left. Stamens 5, attached in middle of corolla tube, included or exserted; filaments broad; anthers sagittate, united with stigma, cells spurred at base. Disc mostly annular. Carpels 2, apocarpous; ovaries 2, many ovules in each ovary, placentation marginal; style 1, short; pistil head conical, stigma columnar. Follicles 2, linear or fusiform, divergent or parallel. Seeds linear-oblong, not beaked, coma silky white.

10 species

Trachelospermum jasminoides

Trachelospermum jasminoides (Lind.) Lem., Jard. Fleur. 1.t. 61. 1851; Parker, For. Fl. Punj. ed. 1. 334. 1918 (Reprint 1973); Bor & Raizada, Beaut. Ind. Climb. Shr. 213. 1954; Fl. China @ eFloras.org 16: 167; Nazim. & Qaiser, Fl. Pak. @ eFloras.org p. 31; Rhynchospermum jasminoides Lind., J. Hort. Soc. London 1: 74. 1846; Parechites adnascens Hance, J. Bot. 6: 299. 1868 .

An evergreen twining shrub, woody. Stem brownish, young branches densely pubescent, glabrous when old, juice milky. Leaves opposite, 4-6 cm x 2-3.5 cm, ovate, narrowly elliptic or elliptic-lanceolate, bright green above, paler beneath, glabrous above, pubescent below, shortly acuminate, base cuneate or rounded, margin entire or slightly wavy; petiole 5-6 mm, pubescent. Inflorescence few flowered cymes, paniculate, terminal or axillary, peduncle 2-6 cm, peduncle and pedicels puberulent to glabrous; bracts minute. Flowers bisexual, actinomorphic, 5-merous, hypogynous, white, sweet-scented. Sepals 5, free or connate at base, narrowly oblong or ovate-lanceolate, 2-5 mm long, spreading or reflexed, pubescent outside, apex acute. Corolla white; tube dilated in the middle, 5-10 mm long, throat glabrous or pilose facing stamens; lobes 5, oblique, obovate or spathulate, as long as tube, margin entire or irregularly dentate, apex obliquely truncate. Stamens 5, included, inserted at 1/2-1/3 part of corolla tube; anthers conniving over and adherent to stigma with membranous tip forming a cone; thecae spurred at base and connective produced above into a spur. Carpels 2, apocarpous; ovaries 2, free, glabrous, unilocular, ovules numerous in each ovary, placentation marginal, ovary with 5 glands at base; style short, filiform; pistil head cylindrical-conical.

Follicles linear, 10-25 cm x 3-10 mm, straight, divaricate. Seeds oblong, 1.5-2 cm, coma 1.5-4 cm.(Fruits not observed)

Flowering and Fruiting: March to April
Common Names: Confederate Jasmine, Star Jasmine

 Plant  Leafy shoot  Stem  Leaves (Adaxial view)  Leaf (Abaxial view)   Inflorescence with flowers  Floral Bud  Calyx and Pistil  Flower  Corolla Tube and Throat  Flower V.S.  Stamens