Ipomoea hederifolia

Nomenclature

Accepted name/Authority/Place of publication: 

Ipomoea hederifolia L., Syst. Nat. ed. 10, 925. 1759.

Synonyms: 

Ipomoea angulata Lam., Tabl. Enc. 1: 464. 1791; Ooststr., Blumea 3: 553. 1940; Fl. Males. I, 4: 481. 1953.

Quamoclit angulata (Lam.) Bojer, Hort. Maurit. 224. 1837. 

Misapplied name: Ipomoea coccinea authors not L.: e.g., Gagnep. & Courchet in Lecomte, Fl. Indo-Chine 4: 236. 1915; Nguyen Thi Nhan in Averyanov et al., Vascular plants synopsis of Vietnamese flora. 178. 1990.   

Description

Habit: 
Annual herbaceous twiner, all parts glabrous or sparsely pilose; stems, 2–5 m high.
Leaves: 
Leaves ovate to orbicular in outline, entire or more often angulate, coarsely dentate, or obscurely 3-lobed, 3–15 by 3–10 cm, base cordate, apex acuminate, mucronulate; petiole 3–12 cm long.
Inflorescences: 
Inflorescences axillary or terminal, few to many-flowered; peduncle 3–20 cm long; pedicels 0.5–0.7 cm long lengthening in fruit; bracts triangular, 1.5–2 mm.
Flowers: 
Flowers weakly zygomorphic; sepals unequal, oblong-rectangular, apex broadly obtuse or truncate with 3–4 mm long awn inserted below top, outer sepals 2–2.5 mm, inner ones longer; corolla salverform, orange-scarlet, tube 3–4.5 cm long, slightly curved, base narrowed, limb spreading, 2–2.5 cm diam., 5-toothed; stamens exserted, filaments slightly unequal, glabrous; pistil exserted, ovary glabrous.
Fruits: 
Capsule globose, 5–7 mm, glabrous; septa persistent, translucent with brownish margin; fruiting sepals spreading then reflexed.
Seeds: 
Seeds c. 4 mm long, black, pubescent.
Author: 
Staples, G.
References: 

Staples, G. 2010. Convolvulaceae. Fl. Thailand 10(3): 330–468. 

Biogeography, Ecology and Natural History

Distribution Map: 
Distribution: 

Native in tropical America; escaped from cultivation and now naturalized across Asia: India, Myanmar, Thailand. 

Ecology: 

Escaped
from cultivation and now weedy in disturbed areas, roadsides, vacant land,
thickets, secondary forests, also in dry dipterocarp forest, evergreen gallery
forest along streams, dry dipterocarp forest, deciduous forest with bamboo, on
diverse substrates: limestone, shale bedrock, and granitic bedrock; altitude:
250–1300 m. 

Phenology: 

Flowering: January, November, December; fruiting: January, February, November.

Author: 
Staples, G.
References: 

Staples, G. 2010. Convolvulaceae. Fl. Thailand 10(3): 330–468. 

Other information

Common names and uses: 
Common names and uses. Chingcho daeng, khruea titae (Thai).

Authorship for webpage

Editor: 
George Staples, Esmond Er
Contributors: 
Classification: 
Ipomoea hederifolia
Tue, 2011-09-27 10:06 -- Esmond
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