Taxonomic study of Myrtaceae in forest fragments in Amazonian Maranhão, Brazil
Author
Amorim, Gabriela Dos Santos
Programa de Pós-graduação em Biologia Vegetal, Universidade Federal de Pernambuco, Av. Prof. Moraes Rego, 1235 - Cidade Universitária, 50670 - 901, Recife - PE, Brazil.
Author
Barbosa, Maria Regina De Vasconcellos
Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, Cidade Universitária, Caixa Postal 5065, 58051 - 970, João Pessoa- PB, Brazil.
Author
Jr, Eduardo Bezerra De Almeida
Departamento de Biologia, Universidade Federal do Maranhão, Cidade Universitária Dom Delgado, Av. dos Portugueses, 1966 - Vila Bacanga, 65080 - 805, São Luís - MA.
Author
Thomas, William Wayt
0000-0002-4996-536X
Institute of Systematic Botany, New York Botanical Garden, 2900 Southern Boulevard, Bronx, 10458 - 5126, NY, United States. wthomas @ nybg. org; https: // orcid. org / 0000 - 0002 - 4996 - 536 X
wthomas@nybg.org
text
Phytotaxa
2022
2022-10-11
568
1
27
60
http://dx.doi.org/10.11646/phytotaxa.568.1.3
journal article
163382
10.11646/phytotaxa.568.1.3
87ddb879-1616-4e3b-8817-434b61fb0c60
1179-3163
7184245
29.
Myrcia pullei
(Burret ex Amshoff) A. R. Lourenço & E. Lucas
(in
Lourenço
et al.
2018: 81
).
Basionym:—
Calyptranthes pullei
Burret ex Amshoff (1950: 4)
.
Type:—
SURINAME
. “
Raleigh Falls
, in saxis
Raleighvallen fluv. Coppenam
”,
A.A. Pulle
341
(
holotype
:
U
[0004963])
.
Trees ca.
5 m
.
Twigs glabrous, sometimes the branches terminal and the axis of inflorescence are reddish. Leaves with petioles
2–4 mm
long, glabrous, unchanneled, dark; blades broadly elliptic or ovate 2–3.8 ×
1.8–3.3 cm
, glabrous, chartaceous, slightly discolorous; glands not seen; base obtuse, rounded or subcordate; apex rounded or obtuse, rarely acute; midvein adaxially impressed; lateral veins slightly visible, not arched, ca. 15 pairs; intra-marginal vein
1 mm
or less from the margin, margin flat. Inflorescence terminal or subterminal, pyramidal panicle, flowers congested, the axis
3–6.7 cm
long, glabrous, with two lateral branches, opposite,
1.9–2.1 cm
long; bracts not seen, caducous before anthesis; pedicels
0.2–0.7 mm
long or sessile, glabrous; bracteoles not seen, caducous before anthesis; flower buds not seen; calyx-lobes completely fused, opening by calyptra, not reflexed, caducous in fruit; ovary not seen. Immature fruit globose, 0.3 ×
0.5 cm
, glabrous, surface smooth.
Note:—
Myrcia pullei
may be recognized by its terminal branches and reddish axis of the inflorescence; the chartaceous, broadly elliptic or ovate leaves; the midvein of the leaf, which is adaxially slightly sulcate at the base and impressed distally; and the completely fused calyx-lobes, opening by calyptra.
Distribution and habitat:—
Known from
Colombia
,
Guyana
,
Peru
,
Suriname
,
Venezuela
and from northeastern
Brazil
(Amazonas,
Amapá
,
Maranhão
and Pará states) (POWO 2020,
Flora do
Brasil
2020
). In Amazonian
Maranhão
,
M
.
pullei
was found growing along a river.
Phenology:—
Fruiting in April and February.
Specimens examined:—
BRAZIL
.
Maranhão
:
Turiaçú
,
Rio Maraçumé
,
Cachoeira Grande
,
04 April 1981
(fr.),
M.R. Santos
697
(
IAN
!)
.
Additional specimens examined:—
BRAZIL
.
Amapá
:
Rio Oiapoque. Cachoeira Grande Roche
,
11 August 1960
(fl.),
H.S. Irwin
47412
(
NY
!)
.