Costus speciosus (J.Koenig) Sm.
  • Trans. Linn. Soc. London

Cite taxon page as 'WFO (2021): Costus speciosus (J.Koenig) Sm. Published on the Internet; Accessed on: 16 Jun 2021'

General Information

Stems 1--3 m, base slightly woody, apex branched and spirally twisted when old. Petiole 5--7 mm; leaf blade oblong or lanceolate, 15--20 × 6--10 cm, abaxially densely sericeous, base subrounded, apex acuminate or caudate-acuminate. Inflorescences terminal, ellipsoid or ovoid, 5--15 cm; bracts bright red, ovate, ca. 2 cm, leathery, pubescent, apex sharply pointed; bracteoles pale red, 1.2--1.5 cm. Calyx red, 1.8--2 cm, leathery, apex 3-lobed; lobes reddish black, rigid, and densely sericeous at apex. Corolla tube ca. 1 cm; lobes oblong-elliptic, ca. 5 cm, apex white or red. Labellum white, trumpet-shaped, 6.5--9 cm, apex toothed and crisped, with edges overlapping. Stamen petaloid, white with orange-yellow base, urceolate, ca. 4.5 × 1.3 cm, pubescent. Capsule red, globose, ca. 1.5 cm, slightly woody. Seeds black, glossy, ca. 3 mm. Fl. Jul--Sep, fr. Sep--Nov. 2 n = 18, 27*, 36.

  • Provided by: [B].Flora Of CHina @
    • Costus speciosus (J. König) Sm. ... VER ... Hellenia speciosa

    • Provided by: [E].Flora de Nicaragua
      • Source: [
      • 1
      • ]. 

      Plantas 0.5–3 m. Hojas con lámina 12–25 × 3–6cm, el haz glabra, el envés densamente seríceo; vaina puberulenta a glabra; lígula 0.1–0.2 cm, truncada.Infl. 4–7 × 3–5 cm, ovoide a ampliamente ovoide;brácteas rojas oscuras, sin apéndice, con el ápice es-pinescente. Fls. con cáliz 2.2–2.5 cm; corola blanca,densamente serícea; labelo 6–7 × 8–10 cm, exten-dido, blanco a blanco rosáceo.

    • Provided by: [D].Manual de Plantas de Costa Rica
      • Source: [
      • 2
      • ]. 

       Information From

      World Flora Online Data. 2017.
      • A CC0 1.0 Universal (CC0 1.0).
      Flora Of CHina @
      'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
      • B Missouri Botanical Garden
      MBG Floras Images
      Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
      • C Missouri Botanical Garden
      Manual de Plantas de Costa Rica
      Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
      • D Missouri Botanical Garden
      Flora de Nicaragua
      WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
      • E Missouri Botanical Garden