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Pakistan | Family List | Labiatae | Ocimum

1. Ocimum americanum L., Cent. Plant. 1: 15. 1755. (Amoen. Acad. 4: 276. 1756); Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashm. 626. 1972; Keng in van Steens, Fl. Males. 8, 3: 376. 1978; Sharma & Kachroo, Fl. Jammu 1: 257. 1981; Press in Hara et al., Enum. Fl. Pl. Nepal 3: 160. 1982.

Vern.: "Jangli Tulsi"

I.C. Hedge

  • Ocimum canum Sims

    Perennial, much branched, 30-60 cm. Stems with simple, retrorse or spreading, white, eglandular hairs. Leaves elliptic to ovate, 3-3 x 1-1.5 cm, subentire or finely crenulate above, acute, cuneale, glabrescent or sparsely pilose, gland-dotted on both surfaces; petiole 1-2 cm. Verticillasters 5-16, clearly separated or contiguous above, 6-10-flowered. Bracts 2-3 mm. Calyx c. 2.5 mm in flower, 4-5.5 mm long in fruit; indumentum in flower of long white eglandular hairs mainly at base of calyx, glabrescent; tube villous within; fruiting pedicels c. 3.5 mm, erect-adpressed to axis, apically reflexed. Corolla white, c. 5 mm, pilose. Stamens exserted, glabrous or pilose, toothed at base or not. Nutlets c. 1.5 x 0.8- 1.3 mm, narrow oblong, dark brown or black, densely white mucilaginous on wetting.

    Fl. Per.: ± throughout the year.

    Type: "Habitat in America, Miller" (LINN 749/9 - microfiche!).

    Distribution: Tropical Africa, Arabia, Pakistan, Kashmir, Himalayas to Nepal, Sri Lanka, Malaysia.

    The differences between this and the following species appear to be slight and more of quantity than kind; revisionary studies are required. Ocimum americanum may be the wild progenitor of Ocimum basilicum.


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