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Acanthaceae
ACANTHUS FAMILY

Acanthaceae
Habit: [Annual, perennial herb to] shrub, [tree], nodes generally swollen. Leaf: simple, generally opposite, entire (toothed [lobed]); stipules 0. Inflorescence: variable, with bracts, generally also bractlets. Flower: bisexual; calyx deeply (3)4--5 lobed [(sepals free)]; corolla 4--5 lobed, radial to 2-lipped; stamens 2 or 4, epipetalous, anther sacs sometimes dissimilar in size or placement; ovary superior, 4--many-ovuled, chambers 1--2, placentas axile (free central), stigmas 1--2. Fruit: capsule, loculicidal, generally dehiscing explosively, valves 2. Seed: 1--4[+], each generally subtended by hook-like outgrowth that remains in fruit.
Genera In Family: 220 genera, 4000 species: especially tropics; some ornamental: Justicia (Beloperone, shrimp-plant), Acanthus, Thunbergia.
eFlora Treatment Author: Thomas F. Daniel, Margriet Wetherwax & Lawrence R. Heckard
Scientific Editor: Thomas J. Rosatti.
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Citation for this treatment: Thomas F. Daniel, Margriet Wetherwax & Lawrence R. Heckard 2016. Acanthaceae, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=37, accessed on May 29, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 29, 2016.