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Pakistan | Family List | Pakistan V. 209 | Crassulaceae

Rosularia (DC.) Stapf in Curtis’s Bot. Mag. 149: t. 8985. 1923; C. A. Jansson & Rech.f. in Rech.f., Fl. Iran. 72: 21. 1970; Boriss. in Kom. Fl. USSR 9: 90. 1971 (Engl. transl.); H. Ohba in J. Fac. Sci. Univ. Tokyo 3. 12: 337. 1980; Eggli in Bradleya 6, Suppl.: 31.1988; Aswal & Mehrotra, Fl. Lahaul-Spiti 253. 1994; Fu Kunjun & H. Ohba in Wu Zheng-yi & P. H. Raven, Fl. China 8: 217. 2001.

  • Umbilicus sect. Rosularia DC.

    Perennial herbs. Root thin, fibrous, or thick taproot. Radical leaves forming basal rosettes. Rosulate leaves sessile, fleshy, oblong, spathulate, obovate, elliptic, linear, attenuate at the base, entire. Flowering stems arising from the axils of the rosulate leaf, unbranched, erect, glandular hairy or glabrous, deciduous. Cauline leaves fleshy, simple, alternate, sessile, oblong to spathulate, entire, glandular hairy or glabrous. Inflorescence terminal or lateral, corymbose, paniculate, lax thyrse, sometimes solitary. Flowers 5-9 merous, bisexual, glandular hairy or glabrous, campanulate-infundibular, sessile or pedicellate. Calyx gamosepalous, lobes green, fleshy, connate at the base, campanulate. Corolla gamopetalous, lobes membranous, united 1/10-3/4 of their length, white, pink or red, glabrous or glandular hairy. Stamens 10-18, epipetalous, in two whorls, basifixed. Nectar scales oblong or square, apex rounded or truncate. Carpels superior, apocarpic but basally syncarpic, ovaries sessile, straight. Follicles erect, free, several to many-seeded. Seeds oblong-ellipsoidal, brown with longitudinal striae.

    A genus of c. 36 species, distributed from N. Africa to C. and S. W. Asia through E. Mediterranean region. Represented in Pakistan by 5 species.

    1 Flowers 6-8 merous.   (2)
    + Flowers 5-merous.   (3)
    2 (1) Rosulate leaves sword-shaped, oblong, acuminate, membranous, light green when dry. Sepals glabrous, ovate, 2-4 mm long. Inflorescence corymbose, many-flowered.   Rosularia alpestris
    + Rosulate leaves oblong, obtuse, thick. Sepals densely hairy, oblong, 4-5 mm long. Inflorescence 2-4 flowered cyme.   Rosularia sedoides
    3 (1) Plants robust with thick tap root. Sepals ovate. All parts densely glandular hairy.   Rosularia viguieri
    + Plants not as above.   (4)
    4 (3) Rosette fully open. Rosulate leaves loosely arranged. Petals elliptic, acute, white. Plants stoloniferous.   Rosularia rosulata
    + Rosette half open. Rosulate leaves compactly arranged. Petals oblong, acuminate, pink, yellowish pink. Plants not stoloniferous.   Rosularia adenotricha

    Lower Taxa

    Related Synonym(s):


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