Hylocereus undatus (Haw.) Britton & Rose
  • Fl. Bermuda
  • Night-blooming cereus


This taxon is accepted by Cactaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

Plants clambering or sprawling. Stems deep green, 3-15 m. Joints 20-50 × 3-8(-12) cm, winged or angled, margins of wings or angles coarsely crenate, horny. Areoles 3-6 cm apart, 2-5 mm in diam. Spines 1-3(-6) per areole, spreading in various directions, gray-brown, conic to subulate, 2-5(-10) mm. Flowers 25-30 × 15-34 cm. Receptacle tube funnelform. Sepaloids with greenish midrib and mostly white margin, lanceolate-linear to linear, 10-15 × 1-1.5 cm, margin entire, apex acuminate, reflexed. Petaloids erect to spreading, white, narrowly oblanceolate, margin entire or erose. Filaments cream, 5-7.5 cm; anthers linear, ca. 4.5 mm. Style cream, 14-20 cm, stout; stigmas 20-24, exserted, 2-2.3 mm, slender. Fruit red, globose to ellipsoid, 7-12.5 × 6-12 cm, with numerous triangular scales, umbilicus small; pulp white. Seeds obovate, ca. 2 × 1 mm. Fl. July-Dec.

Plants sprawling or clambering over rocks, shrubs, and trees. Stems usually sharply 3-angled, to 500+ × 4-7.5 cm; ribs with undulate margins and gray, hornlike bark; areoles 2 mm diam. Spines 1-4 per areole, brownish gray, inconspicuous. Flowers fragrant; outer tepals white, outermost strongly reflexed, midstripes yellowish green; inner tepals white, broad, oblanceolate; filaments 50-75 mm; style cream, 175-200 mm. Fruits spheric to oblong. Seeds 2 × 1 mm. 2n = 22.

Hylocereus undatus (Haw.) Britton & Rose in Britton, Fl. Bermuda 256. 1918; Cereus undatus Haw.; H. guatemalensis (Eichlam) Britton & Rose.

Tallos 3-alados, alas 2–3 cm de ancho, delgadas, crenadas con márgenes córneos; aréolas con 1–4 espinas cónicas, 1–3 mm de largo. Flores nocturnas, 25–30 cm de largo y 15–25 cm de diámetro; tubo receptacular 7–9 cm de largo, cubierto por escamas foliáceas traslapadas de 3–8 cm de largo y 0.5–1.2 cm de ancho; partes sepaloides del perianto lineares a linear-lanceoladas, 100–150 mm de largo y 10–15 mm de ancho, blanco-verdosas; partes petaloides del perianto oblanceoladas, 10–15 cm de largo y 2.5 cm de ancho, blancas; ovario 2–3 cm de largo con escamas foliáceas de 2–3 cm de largo y 1–1.5 cm de ancho, estilo 17.5–20 cm de largo, crema, lobos del estigma hasta 24, cremas. Frutos oblongos, 5–12.5 cm de largo y 4–9 cm de diámetro, escamas foliáceas persistentes.

Rara como planta silvestre en la Boaco y Chontales, ampliamente cultivada; 200–400 m; fl may-jun; Stevens 31830; la distribución nativa es insegura pero probablemente es de Centroamérica; hoy en día está ampliamente cultivada por sus flores y frutos en las regiones cálidas del Mundo.

Distribution Map

 
  • Introduced distribution
Introduced into
  • Southern America Brazil Alagoas
  • Bahia
  • Ceará
  • Paraába
  • Pernambuco
  • Paraní
  • Rio Grande do Sul
  • Espirito Santo
  • Minas Gerais
  • Rio de Janeiro
  • São Paulo

Common Names

NameLanguage
Night-blooming cereus

 Information From

Cactaceae
World Flora Online Data. 2017.
  • A CC0 1.0 Universal (CC0 1.0).
MBG Floras Images
http://www.tropicos.org/ImageSearch.aspx
Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
  • B Missouri Botanical Garden
Flora Of CHina @ efloras.org
http://www.efloras.org/flora_page.aspx?flora_id=2
'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  • C Missouri Botanical Garden
Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
http://floradobrasil.jbrj.gov.br
Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
  • D Group Brazil Flora, REFLORA Program
Flora of North America @ efloras.org
http://www.efloras.org/flora_page.aspx?flora_id=1
'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  • E Flora of North America Association
Flora de Nicaragua
http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
  • F Missouri Botanical Garden
World Flora Online consortium
http://www.worldfloraonline.org/organisation/WFO
World Flora Online Data. 2018.
  • G CC0 1.0 Universal (CC0 1.0).
International Union for Conservation of Nature
https://www.iucn.org/
IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
  • H See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use