e-Flora of Thailand

Volume 10 > Part 3 > Year 2010 > Page 412 > Convolvulaceae > Ipomoea

9. Ipomoea campanulata L.wfo-0001297366

Sp. Pl. 160. 1753; D.F.Austin et al., Brittonia 30: 195–198. 1978; Van Steenis, Fl. Males. ser. 1, emend. 9: 558. 1982. Plate XLVI: 1.


Accepted Name : This is currently accepted.



Synonyms & Citations :

Ipomoea campanulata var. illustris C.B.Clarke in Hook.f., Fl. Brit. In. 4: 211. 1883; Gagnep. & Courchet in Lecomte, Fl. Indo-Chine 4; 253. 1915.— I. illustris (C.B.Clarke) Prain, Bengal Pl. 2: 735, 1903; Kerr, Fl. Siam. Enum. 3(2): 13. 1954; Ooststr., Blumea 3: 566. 1940; Fl. Males, ser. 1, 4: 485. 1953.
Ipomoea soluta Kerr, Bull. Misc. Inform. Kew 1941: 18. 1941; Fl. Siam. Enum. 3(2): 17. 1954; R.C.Fang & Staples in C.Y.Wu & P.H.Raven, Fl. China 16: 311 (note). 1995.


Description : Woody climbers or subshrubs; stems grey, verruculose-lenticellate. Leaves ovate cordate, 16–17 by 13–15 cm, upper side nearly glabrous, underside pubescent, base cordate, apex acute to acuminate; lateral veins 10–15 per side; petiole 6.5–9 cm, densely puberulous. Inflorescences several-flowered; peduncle stout, shorter than petiole, densely puberulous; bracts early deciduous; pedicel stout, 0.7–1.3 cm, densely pubescent. Flower: sepals slightly unequal, leathery, outside farinose, outer 2 sepals elliptic, 13–14 mm, apex obtuse; inner sepals elliptic to subcircular, 14–15 mm, apex emarginate; corolla broadly funnelform, 5.5–6.5 cm, tube gradually narrowed toward base, red-violet inside, limb white, shallowly 5-lobed, lobes semicircular; stamens slightly unequal, filaments dilated basally, puberulous; pistil included, ovary narrowly conical, glabrous. Capsule ovoid, ca 15 mm long, 4-valved, brown, glabrous. Seeds ca 8–9 mm, black, long silky-hairy on margins.


Thailand : NORTHERN: Chiang Mai, Nan, Lamphun, Lampang; NORTH-EASTERN: Phetchabun, Khon Kaen; EASTERN: Chaiyaphum, Nakhon Ratchasima; SOUTH-WESTERN: Kanchanaburi, Phetchaburi; CENTRAL: Phra Nakhon Si Ayutthaya, Krung Thep Maha Nakhon (Bangkok); PENINSULAR: Ranong.


Distribution : Sri Lanka, India (type), Myanmar, China, Laos, Malaysia, the Philippines, New Guinea.


Ecology : Sunny areas and clearings in scrub jungle, secondary vegetation, roadside grassy places, swamps with standing water, or in evergreen or deciduous forests, bamboo thickets on granite bedrock, limestone, clay soil, or in swampy areas, ca 50–1,200 m alt. Flowering: January, February, April, December; fruiting: November.


Vernacular : Phak bung rua (ผักบุ้งรั้ว); thao phan en (เถาพันเอ็น)(Kanchanaburi); phak uen (ผักอืน)(Nan).


Notes: For an explanation of the incorrect application of the epithet campanulata in other genera, see under Stictocardia tiliifolia.


Main
Plate XLVI: 1.1–1.2
Ipomoea campanulata L.