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
10.11646/phytotaxa.568.1.3
87ddb879-1616-4e3b-8817-434b61fb0c60
1179-3163
7184245
5.
Eugenia cupulata
Amshoff (1942: 160)
.
Type:—
SURINAME
.
Brokopondo
,
Brownsberg,
C. J
. Zaandam 6428 (
holotype
: U [0005014])
.
Trees or shrubs
5.4–
10 m
. Twigs glabrous. Leaves with petioles
8–22 mm
long, glabrous, unchanneled; blades elliptic to broadly so, lanceolate, ovate or oblong, 12.9–22.4 ×
5–10 cm
, glabrous adaxially and glabrous or sparsely pubescent abaxially, the indumentum brownish-red, chartaceous, discolorous, sometimes lustrous adaxially, darker abaxially; glands not seen; base cuneate, rounded or obtuse; apex acute, cuneate, obtuse or cuspidate; midvein adaxially flat; lateral veins prominent abaxially, not arched, 12 to 15 pairs; intra-marginal vein
1–6 mm
from the margin, margin flat. Inflorescence axillary, raceme simple, the axis
2.7–4.8 cm
, pubescent, the indumentum brownish-red, bracts not seen, caducous before anthesis; pedicels
5–6 mm
long, pubescent; bracteoles deltate, 1.5–2 ×
1–2 mm
, pubescent, persistent in the fruit; flower buds globose, 4–7 ×
5 mm
, not constricted above ovary; calyx-lobes free, four, orbicular, 1.5–2 ×
1.8–3 mm
, pubescent, not reflexed, persistent in the fruit; ovary 2-locular. Immature fruits globose, 0.5–0.8 ×
0.6–0.9 cm
, glabrous or sparsely pubescent, surface smooth.
Note:—
Eugenia cupulata
may be recognized by its adaxially flat midvein; intra-marginal vein
1–6 mm
from the margin; a simple raceme with brownish-red pubescence; globose flower buds; and free, pubescent calyx-lobes.
Distribution and habitat:—
Known from
Bolivia
,
French Guiana
,
Suriname
,
Venezuela
, central, northeastern and northwestern
Brazil
(
Acre
, Amazonas,
Maranhão
, Pará and
Rondônia
states) (POWO 2020,
Flora do
Brasil
2020
). In Amazonian
Maranhão
,
E
.
cupulata
was found growing in “terra firme” forest on rocky soil.
Phenology:—
Flowering in February and March and fruiting in April and June.
Specimens examined:—
BRAZIL
.
Maranhão
:
São Luís
,
2°34’38” S
,
44°12’04” W
,
February-March
1939 (fl.),
R.L. Fróes
11789
(
NY
!)
;
1940 (fr.),
R.L. Froes
11864
(
NY
!)
.
Arredores
de Estiva
,
08 August 1980
(st.),
M.G. Silva
5738
(
MG
!)
.
Additional specimens examined:—
BRAZIL
.
Maranhão
:
Carolina
,
7°19’58” S
,
47°28’10” W
,
12 March 2016
(fr.),
A.C. Sevilha
5811
(CEN, image).
Lorêto
, “Ilha das Balsas”
,
140 m
,
7°30’ S
,
45°3’ W
,
01 June 1962
(fr.),
G. Eiten
4810
(
NY
!).
Pará
:
Santarém
,
Km
35 da estrada do
Palhao
, arredores do
Acampamento do Igarapé Curupira
,
04 September 1969
(fl.),
M.B. Silva
2493 with
R. Souza
(
NY
!)
.