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Pakistan | Family List | Pakistan V. 139 | Onagraceae | Oenothera

3. Oenothera stricta subsp. stricta , Enum. Pl. Berol. l: 377. 1821; [H. F. Link misspelled Ledebour's epithet as "striata" in publishing the species]; Raven in Tutin et al., Fl. Eur. 2: 308. 1968; R.R. Stewart, Ann. Cat. Vasc. Pl. W. Pak. & Kashmir 508. 1972; Dietrich, Ann. Missouri Bot. Gard. 64: 536. 1978.

Peter C. Hoch and Peter H. Raven

Oenothera odorata sensu Clarke in Hook. f., Fl. Brit. Ind. 2: 582. 1879; sensu Shteinberg in Schischkin & Bobrov, Fl. URSS 15: 630. 1949, non Jacq. -

Erect annual or sometimes biennial herb, rarely decumbent or nearly prostrate, forming a basal rosette. Stem simple or branched above or from the base, 2.5-10 dm tall. Plants ± strigillose, especially below, and sparsely villous and glandular-pubescent. Rosette leaves narrowly elliptic to oblanceolate, 10-15 x 0.8-1.3 cm; cauline leaves narrowly elliptic to lanceolate, 6-10 x 0.6-1 cm; bracts narrowly lanceolate to ovate, 2-3 x 0.7-1.2 cm; leaves sessile, plane or undulate, serrate. Inflorescence simple or branched. Floral tube 2-4.5 cm long. Sepals 1.4-1.7 cm long; tips 1-3 mm long. Petals yellow, broadly obovate, often with a red spot at the base of each one, 1.5-2.5(-3.5) cm long. Style 3-6 cm long; the stigma surrounded by the anthers shedding pollen directly on it. Capsule conspicuously enlarged distally, 3-4 x 0.3-0.4 cm. Seeds elliptic in outline, beaked, 1.3-1.8 x 0.5-0.7 mm. Self-compatible, self-pollinating complex heterozygote. Gametic chromosome number, n = 7 (ring of 14 at meiotic metaphase I).

Neotype: Grown from seed at the Botanical Garden of Dusseldorf, Germany, 14 August 1972, from seed collected in Chile, Prov. Conception, airport of Conception, 1959, H. Nodt s.n. (MO-2155718; isoneotypes, CTES, DUSS, M). Dietrich, Ann. Missouri Bot. Gard. 64: 538. 1978.

Distribution: Native in Chile and Argentina, South America; introduced or naturalized on all continents except Antarctica. Not common in Pakistan. Fl. Per.: ? Jun-Sep.


 

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