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Published In: Botanical Gazette 12(6): 133. 1887. (Bot. Gaz.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 6/3/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/9/2013)
Changes: Description change, Distribution change

Conservation Calculations     (Last Modified On 10/9/2013)
Ecological Value: 2.50000
Num Project Specimens: 37
Newest Specimen Year: 2021
Oldest Specimen Year: 1947
Conservation Value: 86.56000
Conservation Abbrev: LC


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Myriocarpa heterospicata Donn. Sm., Bot. Gaz. (Crawfordsville) 12: 133. 1887; M. heterostachya Donn. Sm.

Arbustos o árboles pequeños, hasta 10 m de alto; plantas monoicas o raramente dioicas. Hojas elípticas, 5.5–16 (--23) cm de largo y 1.5—5.5 (6.5) cm de ancho, ápice acuminado, base aguda a obtusa, margen dentado, cistolitos dispersos en la haz or more frequently formando patrones radiados, haz glabra o con tricomas hacia el centro de los cistolitos, envés con pocos tricomas sobre los nervios. Inflorescencias unisexuales en las axilas de las hojas; espigas masculinas 2–3.5 cm de largo, raquis pubescent, rosado or white, staminate flowers with scattered trichomes on abaxial surface of tepals; espigas femeninas  7–15 (--19) cm de largo, raquis glabro a puberulento, verdoso o crema (or red when young), bractéolas 0.4--0.5 mm de largo. Aquenio 0.75—1.25 mm de largo y 0.4–0.5 mm de ancho, sésil, pubescent or glabrous on faces but usually markely ciliate on margins, verdoso o crema.

Locally common, bosques húmedos, lower mountain or cloud forests, Jinotega and Matagalpa; (450?) 800—1600 m; fl y fr throughout year with peak ago-oct; Stevens 23023, 23025; México a Nicaragua. The type of Myriocarpa heterospicata is notable in having the adaxial leaf surfaces glabrous and the cystoliths randomly arranged. The above use of the name M. heterospicata is based on Monro (2009) based upon his specimen citations from Nicaragua. In his key to species, M. heterospicata, in the final couplet, is identified as having “Adaxial leaf surfaces with cystoliths randomly scattered, minutely pitted occasionally only in part.” These specimens were treated as the upper elevation/smaller leafed form of M. longipes in the published Flora de Nicaragua.



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