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
17.
Eugenia wullschlaegeliana
Amshoff (1948: 20)
.
Type:—
SURINAME
.
Paramaribo
,
H. R. Wullschlägel
193
(
holotype
: BR [5288649] image; isotype: MICH [1109613] image).
(
Fig 4
E-G.)
Trees or shrubs
15.2 m
. Twigs glabrous. Leaves with petioles
3–5 mm
long, pubescent, unchanneled; blades elliptic to broadly so, or ovate, 6.2–11.1 ×
3.1–4.7 cm
, pubescent adaxially and densely pubescent abaxially, the indumentum whitish or brownish, membranaceous or chartaceous, discolorous; glands not seen; base cuneate or rounded; apex acute or attenuate; midvein adaxially impressed; lateral veins visible, not arched, 8 to 9 pairs; intra-marginal vein
1 mm
or less from the margin, margin flat. Inflorescence axillary, a fascicle, the axis ca.
3 mm
long, pubescent, the indumentum yellowish; bracts deltate, 0.5 ×
0.5 mm
, pubescent, caducous after anthesis; pedicels
2–4 mm
long, pubescent; bracteoles deltate, 0.5 ×
0.5 mm
, pubescent, caducous after anthesis; flower buds globose, 5 ×
3 mm
, not constricted above ovary; calyx-lobes free, four, deltate, 1 ×
1.3 mm
, pubescent adaxially and glabrous abaxially, not reflexed, persistent in the fruit; ovary not seen. Immature fruit ellipsoid, 1.5–1.9 ×
0.8 cm
, glabrous, surface with glands marked, no mature fruits examined.
Note:—
Eugenia wullschlaegeliana
may be recognized by its leaves, which are ovate, elliptic, or broadly elliptic; its inflorescence forming a pubescent fascicle, with yellowish indumentum; and its glabrous, ellipsoid fruit, with marked glands on the surface.
Distribution and habitat:—
Known from
French Guiana
,
Suriname
and northeastern and northwestern
Brazil
(Amazonas,
Maranhão
and Pará states) (POWO 2020,
Flora do
Brasil
2020
). In Amazonian
Maranhão
,
E
.
wullschlaegeliana
was found growing in flooded forests and in open fields.
Phenology:—
Flowering in October and fruiting in September.
Specimens examined:—
BRAZIL
.
Maranhão
:
Maracassumé River Region
,
Igarapé do Urubuquara
,
09 September 1932
(fr.),
R.L. Fróes
1885
(
NY
!);
22 October 1932
(fl.),
R.L. Fróes
1967
(
NY
!)
.
Additional specimens examined:—
BRAZIL
.
Pará
:
Genipapo
trail,
Basin of Rio Xingu
,
Gleba Bacaja
, lote 88, just below mouth of
Rio Bacaja
,
3°22’20” S
,
50°47’50” W
,
01 December 1980
(fl.),
G.T. Prance
P26566
(
NY
!)
.