Back to records

Species

B. aeranthos

Photos

2 photos

Identity

Genus
Begonia
Name
B. aeranthos
Author
L. B. Smith & B. G. Schubert, Mem. New York Bot. Gard.
Publication Date
1952
Place
Morona-Santiago
Habitat
Santiago-Zamora (c 'Oriente''): climbing, flowers deep red; ridge ascending into central Cutucu, Cordillera Cutucu, ca. 2° 40' S., 78° W ., 4,400-4, 700 ft., Nov. 17-Dec. 5, 1944, Camp E-1143. High climber, leaves dark green above, reddish below, perianth parts and fruit bright crimson; ridge just south and west of Rio ltzintza, Cordillera Cutucu, ca. 2° 40' S., 78° W., 4,500-5,500 fto, Novo 17-Dec. 5, 1944, Camp E-1317 (type).
Country
Ecuador
Region
America
Section
Gobenia
Plant Type
Trailing-Scandent
Synonyms and Comments
grandibracteolata Irmsch er Bot. Jahrb. Syst. 76:91. 1953.
Reference
Mem. New York Bot. Gard. 8:36-7, pl. 2a–e. 1952; —L.B. Smith & D.C. Wasshausen in Harling & Anderson, Fl. Ecuador 25:15-6. 1986.; JGSL9/08
Article References
Memoirs of the New York Botanical Garden. New York: The Garden,1900- v.8 1952-1954: Page: 36-40 http://www.biodiversitylibrary.org/item/150964 PLANTS COLLECTED IN ECUADOR BY W. H. CAMP. – BEGONIACEAE - LYMAN B. SMITH AND BERNICE G. SCHUBERT

Plant

Description
Memoirs of the New York Botanical Garden. New York: The Garden, 1900- v. 8 1952-1954: Page: 36-40 http://www.biodiversitylibrary.org/item/150964 Herba e fragmentis solum cognita, alte scandens (! Camp), nodis radicans, omni no glabra; foliis 3-7 mm. supra basin peltatis, rectis vel pa ulo obliquis, paulo asymmetricis, ovatis, ad 24 cm. longis, 7-11 cmo latis, abrupte acuminatis, basi late truncatis, margine leviter undulatis, minute sparseque denticulatis, petiolis 5-20 cm. longis, stipulis mox deciduis, ignotis; pedunculis ad 11 cm o longis, inflorescentiis ample laxeque cymosis, multifloris; bracteis persistentibus, ova tis, a cut is, infimi s 7 mm. longis; tepalis masculinis 4, rubris, 8-10 mm. longis, obtusis, integris, exterioribus latissime ovatis, interioribus oblongis; staminibus paucis, liberis, antheris oblongis, apice truncatis, quam filamentis paulo longioribus; floribus femineis persenilibus et in parte delapsis solum cog­nitis sed cicatribus indicatis tepalis 5 praeditis, tepalis verisimiliter aequalibus, obovatis, obtusis, 14 mm. longis, integris; stylis 3, basi breviter connatis, pro­funde bifidis, stigmatibus linearibus, spiraliter tortis, placentis integris; capsula subglobosa, I cm. diametro, valde inaequaliter alata, ala maxima late ovata, ascendente, 3 cm o longa reliquis marginiformibus; seminibus cylindricis, apice subtruncatis et quadrato-reticulatis, medio reticulis anguste oblongis praeditiso Santiago-Zamora (c 'Oriente''): climbing, flowers deep red; ridge ascending into central Cutucu, Cordillera Cutucu, ca. 2° 40' S., 78° W ., 4,400-4, 700 ft., Nov. 17-Dec. 5, 1944, Camp E-1143. High climber, leaves dark green above, reddish below, perianth parts and fruit bright crimson; ridge just south and west of Rio ltzintza, Cordillera Cutucu, ca. 2° 40' S., 78° W., 4,500-5,500 fto, Novo 17-Dec. 5, 1944, Camp E-1317 (type). At first glance Begonia aeranthos appears to be an oversize specimen of B. glabra, but the peltate leaves and falcate-ascending capsule-wings contradict that identity. Further the linear spiral stigmas of B. aeranthos bar it from section Pritzelia where B. glabra is. In fact, B. aeranthos does not fit any of the sections used by Irmscher in the Pflanzenreich, and requires either the broader definition of Pritzelia or the making of a new section.

Lineage

Parents

No parentage recorded.

grandibracteolata Irmsch er Bot. Jahrb. Syst. 76:91. 1953.

Descendants

No recorded descendants.

Culture

Endangered Status
Endangered B1ab(iii)
Original Botanical Description or Link to
Herba e fragmentis solum cognita, alte scandens (! Camp), nodis radicans, omni no glabra; foliis 3-7 mm. supra basin peltatis, rectis vel pa ulo obliquis, paulo asymmetricis, ovatis, ad 24 cm. longis, 7-11 cmo latis, abrupte acuminatis, basi late truncatis, margine leviter undulatis, minute sparseque denticulatis, petiolis 5-20 cm. longis, stipulis mox deciduis, ignotis; pedunculis ad 11 cmo longis, inflorescentiis ample laxeque cymosis, multifloris; bracteis persistentibus, ova tis, a cut is, infimi s 7 mm. longis; tepalis masculinis 4, rubris, 8-10 mm. longis, obtusis, integris, exterioribus latissime ovatis, interioribus oblongis; staminibus paucis, liberis, antheris oblongis, apice truncatis, quam filamentis paulo longioribus; floribus femineis persenilibus et in parte delapsis solum cognitis sed cicatribus indicatis tepalis 5 praeditis, tepalis verisimiliter aequalibus, obovatis, obtusis, 14 mm. longis, integris; stylis 3, basi breviter connatis, profunde bifidis, stigmatibus linearibus, spiraliter tortis, placentis integris; capsula subglobosa, I cm. diametro, valde inaequaliter alata, ala maxima late ovata, ascendente, 3 cmo longa reliquis marginiformibus; seminibus cylindricis, apice subtruncatis et quadrato-reticulatis, medio reticulis anguste oblongis praeditiso. At first glance Begonia aeranthos appears to be an oversize specimen of B. glabra, but the peltate leaves and falcate-ascending capsule-wings contradict that identity. Further the linear spiral stigmas of B. aeranthos bar it from section Pritzelia where B. glabra is. In fact, B. aeranthos does not fit any of the sections used by Irmscher in the Pflanzenreich, and requires either the broader definition of Pritzelia or the making of a new section.