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Published In: Prodromus Florae Novae Hollandiae 430. 1810. (Prodr.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Contributor Text: TAHIR ALI
Flower/Fruit: Fl. Per.: August-October.
Type: Holotype: Australia: New South Wales, between Hawksbury and Paramatta, R. Brown s.n. (BM).
Distribution: Distribution: Europe (except far north), temperate Asia to China and Japan, tropical and south Africa, tropical Asia, Australia and New Zealand.
Comment/Acknowledgements: For complete synonymy see Taylor in Kew Bull. Add. ser. 14. 1989.

A planktonic species commonly occurs in still, shallow water of ditches, lakes and rice-swamps.

Illustration: Utricularia australis R. Br. (Illustration)
Map Location: B-7 Hazara: Gittidas, 4300 m., Schmid 493 (RAW); B-8 Kashmir: Guhnerg, 8600 ft., Aitchison 83 (K); Kashmir: Ladak, Spitug, 10500 ft., Walter Koelz 2658 (RAW); Kashmir: Dal lake, 5500 ft., R. R. Stewart 3218 (RAW); ibid., It R. Stewart 6200 (RAW); ibid., B. B. Osmaston 226 (K); Kashmir: Rampur, Jhelum Valley Road, 4000 ft., It R. Stewart 1213a (RAW); Kashmir: Nagin Bagh, 5200 ft., September 7, 1947, R. R. Stewart s.n. (RAW); Baltistan: c. 1.5 miles east of Skardu, 7500 ft., Grady L. Webster 6581 (K); C-6 Peshawar: Akber Pura, Bashir Aluned Suhail 226 (K); Pubi (Arran Kot), Bashir Ahmed Suhail 295 (K); C-8 Sialkot: c. 5 Km from Narowal on way to Muridke, A. Ghafoor & Tahir Ali 4344 & 4347 (KUH); F-5 Rani Pur, Tahir Ali & S. M. Nadeem Ahsan 1996-1999 (KUH); G-5 Sanghar: Bakar lake, Kamal A. Malik et al. 1963 (KUH).


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Aquatic, floating submerged herbs. Stem (stolons) monomorphic, branched, up to 1.7-2.5 cm long, terete, glabrous. Leaves filiform usually with 2 primary segments, internodes 5-9 mm, pinnately divided; segments capillary, denticulate, bearing solitary or fasciculate setulae on each tooth. Bladders dimorphic, ovoid, stalked, 1.5-3 mm long, with simple forked antennae. Inflorescence erect, 8-20 cm long; peduncle filiform, terete, glabrous; scales 2-3, 1.9-3 mm long, ovate, basifixed, apex acute-obtuse. Bracts basifixed, c. 4 mm long, ovate, base auriculate. Flowers 4-12; pedicel filiform, terete, 10-15 mm long, erect, deflexed in fruits. Calyx lobes ± subequal, ovate. Corolla yellow, externally glabrous; upper lip ovate, apex refuse; lower lip darker with reddish brown lines and spots ± flat, reniform, margins spreading; palate glabrous; spur broadly conical at base, c. 6 mm, longer than wide, inner distal half with internal glands on both adaxial and abaxial surfaces. Filaments curved c. 2 mm long. Stigma upper lip short, lower lip semicircular, ciliate. Ovary globose, glandular. Seeds prismatic, 4-6-angled, narrowly winged.
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