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
12.
Eugenia patrisii
Vahl (1798: 35)
.
Type:—
FRENCH GUIANA
, s. l.,
J.P.B. Rohr
, s.n.
(
holotype
: C [10015707]).
(
Fig 3
I-M)
Trees
2.5–
8 m
. Twigs pubescent, the indumentum reddish-brown. Leaves with petioles
1–7 mm
long, pubescent, channeled or shallowly channeled; blades elliptic to broadly so, obovate or ovate, 6.2–14.4 ×
3.1–6 cm
, glabrous, pubescent on young blades, the indumentum reddish-brow, membranaceous or chartaceous, concolorous; glands conspicuous; base cuneate or abruptly rounded; apex acute or cuneate, rarely cuspidate; midvein adaxially flat to impressed; lateral veins slightly visible, arched, 5 to 9 pairs; intra-marginal vein
3–6 mm
or less from the margin, margin flat. Inflorescence axillary, a auxotelic raceme, with cataphylls at base, the axis
0.6–1.3 cm
long, pubescent, the indumentum reddish-brown; bracts deltate, 3–3.5 ×
1–1.6 mm
, glabrous adaxially and pubescent abaxially, caducous after anthesis; pedicels
15–30 mm
long, glabrous or pubescent; bracteoles linear, 1.5 ×
1.5 mm
, pubescent, caducous after anthesis; flower buds globose 2–3 ×
5 mm
, not constricted above ovary; calyx-lobes free, four, orbicular or oblong, 2 ×
1.5 mm
, pubescent, not reflexed, persistent in the fruit; ovary not seen. Immature fruits globose, ca.
2 cm
diameter, glabrous, surface with glands marked.
Note:—
Eugenia patrisii
may be recognized by its leaves with arched lateral veins, intra-marginal vein
1–6 mm
from the margin; its pubescent auxotelic raceme with cataphylls at the base; long-pedicellate flowers; and its globose fruit, which are glabrous and have marked glands on the surface.
Distribution and habitat:—
Known from
Bolivia
,
Colombia
,
Ecuador
, French Guiana,
Guyana
,
Peru
,
Suriname
,
Venezuela
and widely distributed in northeastern and northwestern
Brazil
(POWO 2020,
Flora do
Brasil
2020
). In Amazonian
Maranhão
,
E. patrisii
was found growing in flooded forests.
Phenology:—
Flowering in September and fruiting in November and December.
Specimens examined:—
BRAZIL
.
Maranhão
:
Alzilândia
,
Rio Pindaré
,
11 December 1978
(fr.),
J. Jangoux
& R.P
.
Bahia
368
(
MG
!)
;
Bacabal
,
Fazenda São Francisco
,
4°00’00’’S
,
44°55’48” W
,
25 September 1980
[fl],
D.C. Daly
D257
(
NY
!)
.
Carutapera
,
Gurupiuna
,
Ka’apor Indian Reserve
,
2°43’12” S
,
46°25’48” W
,
05 November 1986
(st.),
W.L. Balée
2904
(
NY
!)
.
Monção
,
Bacia do Rio Turiaçu
,
22 September 1985
(fl.),
W.L. Balée
1047
(
MG
!)
;
3°07’12” S
,
46°04’48” W
,
31 May 1987
(st.),
W.L.
Balée
3312
(
NY
!)
;
Catutapera
,
Gurupiuna
,
Ka’apor Indian Reserve
,
3°30’ S
,
45°15’ W
,
09 May 1986
(st.),
W.L. Balée
2293
(
NY
!)
;
2°43’12” S, 46W25’48” W,
05 November 1986
(fr.),
W.L.
Balée
2904
(
MG
!)
.
São Luís
,
Alumar
,
2°41’30” S
,
44°19’44” W
,
10 November 1995
(fr.),
K. B. Ferreira
&
E.C. Girnos
s.n
(
MAR
!)
.