Flora of China
  FOC Vol.19 (2011)              | Family List  Acanthaceae  PDF Asystasia  PDF   | Link Font:+ Big | - Small
   14. Asystasia  Blume Bijdr. 796. 1826.
十万错属   shi wan cuo shu
Authors:Authors: Jia-qi Hu & Thomas F. Daniel

Intrusaria Rafinesque.


Herbs or subshrubs, with cystoliths. Leaves petiolate; leaf blade margin entire to crenate. Inflorescences terminal or axillary, unilateral spikes or racemes, or panicles of these; bracts small, shorter than calyx; bracteoles similar to bracts or sometimes absent. Calyx 5-lobed; lobes equal to subequal. Corolla funnel-shaped; tube expanded distally into a throat; limb ± 2-lipped, often appearing subactinomorphic with 5 ± equal lobes; lobes ascending cochlear in bud. Stamens 4, included in or partially exserted from corolla tube; anthers 2-thecous; thecae parallel to sagittate to subperpendicular, equally to unequally inserted, base muticous or with a small basal appendage; staminodes 0. Ovary with 2 ovules per locule; stigma capitate, 2-lobed or 2-dentate. Capsule with a solid stalk at base, clavate, up to 4-seeded; retinacula present. Seeds lenticular, lacking trichomes.

About 40 species: tropical and subtropical regions of Old World; four species (one introduced) in China.

1Corolla ± subsalverform with cylindric basal portion of tube at least 1.5 × as long as throat and limb combined.1  A. neesiana    白接骨
+Corolla ± campanulate with cylindric basal portion of tube less than 1.5 × as long as throat and limb combined(2)
2(1)Leaf blade ovate to elliptic, base truncate to rounded; corolla yellow or white.2  A. gangetica    宽叶十万错
+Leaf blade lanceolate to ovate-lanceolate or narrowly ovate, base attenuate; corolla red or purplish red(3)
3(2)Leaf blade (1.2-)1.8-2.8 cm wide, margin entire; corolla 3.5-4 cm, lobes ca. 5 mm wide.3  A. salicifolia    囊管花
+Leaf blade 3-5 cm wide, margin undulate-crenulate; corolla ca. 2.2 cm, lobes ca. 3.2 mm wide.4  A. nemorum    十万错
   Lower Taxon
  • Asystasia gangetica  (Linnaeus) T. Anderson  宽叶十万错
  • Asystasia gangetica subsp. gangetica    宽叶十万错(原亚种)
  • Asystasia gangetica subsp. micrantha  (Nees) Ensermu in Seyani & Chikuni  小花十万错
  • Asystasia neesiana  (Wallich) Nees in Wallich  白接骨
  • Asystasia nemorum  Nees in Wallich  十万错
  • Asystasia salicifolia  Craib  囊管花