Nomenclatural Notes on Eriotheca (Bombacoideae, Malvaceae)

2012·2.9 MB·English

by  Marília Cristina Duarte

Nomenclatural Notes on Eriotheca (Bombacoideae, Malvaceae)
Marilia Duarte
Cristina
em
Programa de Pos-Graduagao Biodiversidade Vegetal e Meio Ambiente, Instituto de Botanica,
Secretaria do Meio Ambiente, Cx. Postal 3005, 01061-970, Sao Paulo, SP, Brazil.
mcdbot@hotmail .com
Gerleni Lopes Esteves
Instituto de Botanica, Secretaria do Meio Ambiente, Cx. Postal 3005, 01061-970,
Sao Paulo, SP, [email protected]
Brazil,
Abstract. As part of the taxonomic treatment of with the free filaments that emerge from the apex of
&
Eriotheca Schott Endl. in Brazil (Bombacoideae, the staminal tube (Robyns, 1963; Duarte, 2010).
Malvaceae), a lectotype designated for Bombax Eriotheca has been historically interpreted differ-
is
crenulatum K. Schum. [= E. gracilipes (K. Schum.) ently in the taxonomic literature. The genus was
A. Robyns], and an epitype is selected for E. globosa established by Schott and Endlicher in 1832 on the
wo
(Aubl.) A. Robyns. The change of status proposed species originally described within
is
Bombax Schumann and van den Brink
names L. (1886)
for two in Eriotheca. Eriotheca candolleana
would
(K. Schum.) A. Robyns var. longipes A. Robyns is (1924) later reject the use of Eriotheca, either
Bombax
synonymizing under or recognizing
recognized the species level as E. longipes (A. it it
at
&
Bombax
&
within Eriotheca (Schott Endl.)
sect,
Robyns) M. C. Duarte G. L. Esteves; E. macro- y
Bakh. was 1963 Andre Robyns would
not until that
phylla (K. Schum.) A. Robyns subsp. sclerophylla It
Robyns
(Ducke) A. also recognized species rank
is at
Bombax
& again, and his revision of the most
is
(Ducke) M. Duarte s.l.
as E. sclerophylla C. G. L.
The
significant recent study of these taxa. current
Esteves.
19
authors recognize species in Eriotheca, divided in
Resumo. Durante o estudo taxonomico de Eriotheca four subgenera, three of which have Brazilian
Schott ex Endl. no Brasil (Bombacoideae, Malva- representatives, as Eriotheca subg. Eriotheca Schott
&
que mudangas eram Endl., Eriotheca subg. Tartagalia (Capurro) A.
ceae), verificou-se necessarias.
um Bombax Robyns, and Eriotheca subg. Macrosiphon A. Robyns
Sao designados lectotipo para crenula-
tum K. Schum. [= E. gracilipes (K. Schum.) A. (Duarte, 2010). During the preparation of a taxonomic
um revision of Eriotheca in Brazil, nomenclature within
Robyns] e epftipo para E. globosa (Aubl.) A.
Robyns. Duas mudangas de Eriotheca was clarified to facilitate future taxonomic
status sao propostas: E.
candolleana Schum.) A. Robyns A.
(K. var. longipes
&
Robyns para Robyns) M. Duarte
E. longipes (A. C.
&
otheca Schott Endl., Melet. Bot. 35. 1832.
G. L. Esteves e E. macrophylla (K. Schum.) A.
&
TYPE:
Eriotheca pubescens (Mart. Zucc.)
Robyns Robyns
subsp. sclerophylla (Ducke) A. para
&
Schott Endl. (lectotype, designated by Robyns
&
E. sclerophylla (Ducke) M. C. Duarte G. L. Esteves.
[1963:
125]).
The
Discussion. history of the species type of the
when
genus Eriotheca began in 1825, Martius and
&
&
Eriotheca Schott Endl. (Bombacoideae, Malva- Bombax
Zuccarini described parvifolium Mart.
24
ceae comprises about species distributed in same
s.l.) Zucc. (Martius, 1825). In 1826, the authors
South America. In Brazil, the genus is represented by committed an orthographic writing B. parvi-
error,
16 species, from northern Brazil to the state of Sao florum instead of B. parvifolium (Martius, 1826). In
which The
Paulo, represents its southern extent. 1832, Schott and Endlicher described the genus
known
genus is to occur in the Atlantic rainforest, as Eriotheca, characterized by the stamens partially
Amazon
and
well as forest cerrado. Eriotheca
is
cm
characterized by its small flowers that reach to 6.5
long and by the 18 to 170 stamens partially connate,
Novon 22: 152-154. Published on 30 November 2012. 10.3417/2010066
doi: