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Pakistan | Family List | Primulaceae

2. Dionysia Fenzl, Fl. 26:389. 1843. Boiss., Fl. Or. 4:18.1879; Knuth in Engler, Pflanzenr. 22:160.1905; Smolyaninova in Schischkin & Bobrov, Fl. URSS. 18:208.1952; Wendelbo in Acta Univ. Bergen. Ser. Math.-Nat. 1961, no. 3 and 1963, no. 19; in Ann. Naturv. Hist. Mus. Wien, no. 75.254.1971; in Fl. Iran. 9:12.1965; Chris Grey-Wilson in Alp. Gard. Soc. p. 5 & 27,83,84.1970; M.M. Bokhari & Wendelbo in Notes Roy. Bot. Gard. Edinb. 35:131-141.1976.


  • Gregoria Duby
  • Macrosyphonia Duby

    Caespitose, cushion or dense tufted semishrubs, scapose or escapose. Branches covered with the persistent remains of the leaves. Leaves imbricate, simple, revolute or involute, entire or denticulate, farinose or efarinose (farina whitish or yellow), often glandular-stipitate. Flowers 5-merous, heterostylous, yellow, pink or violet, umbellate or in superposed verticels or solitary. Bracts small, large and foliaceous in the scapose species. Calyx 1/2 to 2/3 rd-partite. Corolla much exceeding the calyx, tubular; limb 5-lobed, entire or slightly 2-lobed. Stamens epipetalous, sub-sessile; filaments attached near the middle (in pin-eyed flowers) or near the throat. Ovules few. Style slender, stigma capitate. Capsule dehiscing by 5 valves. Seeds small, angled, minutely vesiculose, up to 35 in number.

    42 species, mainly Irano-Turanian, but also represented in S.E.Turkey, Southern USSR and Oman. Represented in Pakistan by 2 species.

    1 Plants loose caespitose. Leaves 30-40 x 9-24 mm. Bracts up to 15.5 mm long. Flowers in superposed verticels. Calyx 6-8 mm long. Corolla tube pubescent outside   1 Dionysia lacei
    + Plants dense caespitose, cushion-like. Leaves 2-4 x 1-1.5 mm. Bracts 2-3 mm. Flowers solitary. Calyx 2.5-3 mm long. Corolla tube glabrous outside   2 Dionysia tapetodes

    Lower Taxa

    Related Synonym(s):


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