Justicia chapadensis S.Moore

  • Authority

    Wasshausen, Dieter C. & Wood, John R. I. 2004. Acanthaceae of Bolivia. Contr. U. S. Natl. Herb. 49: 1-152.

  • Family

    Acanthaceae

  • Scientific Name

    Justicia chapadensis S.Moore

  • Type

    Type: Brazil, Mato Grosso, Serra da Chapada, S. Moore 199 (holotype BM, F photo 8816).

  • Description

    Description - Ascending herb 0.5-1 m tall; stem leafy, subterete, yellowish-green, glabrate with swollen nodes; leaves petiolate, blades grey-green, lanceolate, 7-12 x 3-4 cm, firm, membranaceous-coriaceous, glabrate on both surfaces, apically acute or obtuse, gradually narrowed and attenuate basally, margin entire or obscurely undulate, 1 secondary veins 8-10 pair, slightly curved, parallel at margin; inflorescence spicate, spikes axillary and terminal, pedunculate, 2-2.5 cm long, peduncles 10-15 mm. long, upper subsessile; bracts ovate, 5-8 x 3-4 mm, green, uninerved, firm, hirsute and sparingly glandular pubescent, apically acute-mucronulate; bracteoles elliptic, 5-7 x 1 mm, pubescence similar to that of bracts; calyx 5-lobed, lobes narrowly linear, unequal, posterior t somewhat shorter and wider, 5 mm long, anterior and lateral 6 mm long, all hirsute and sparingly 1 glandular pubescent; corolla white and purplish-blotched or cream with mauve markings, 13 mm long, pubescent, tube 5 mm long, 2 mm wide at a base, 3.5-4 mm wide at mouth, upper lip erect, 7 c mm long, slightly shorter than lower lip, apically bilobed, lobes 0.5 x 0.5 mm, lower lip 7 x 8-13 mm, 3-lobed, lobes erect to spreading, obtuse, middle 2.5 x 3 mm, lateral 2 x 2 mm; anther thecae superposed, unequal, lower thecae larger.

    Phenology - Flowers in the winter dry season from July to September.