flora neotropica - CNCFlora

Systematic Treatment 93
7-52.1. Hirtella radamii Prance, Acta Amaz6-
nica 12: 22. 1983. Type. Brazil. Rond6nia: Iga-
rape Preto, RADAM SC-20-XA-Ponto 27,
62?14'W, 8?58'S, 30 Jun 1975 (fl),J. C. daSilva
100 (holotype, MG). Fig. 143.
Shrub 3 m tall, the young branches hispid. Leaf
lamina oblong-lanceolate, chartaceous, 5-8 x
1.5-2.3 cm, subcordate at base, acuminate at
apex, the acumen 3-5 mm long, glabrous on both
surfaces; midrib prominulous above, prominent
beneath; primary veins 10-12 pairs, prominulous
and glabrous on both surfaces; petioles 1-
1.5 mm long terete, sparsely hispid, eglandular.
Stipules lanceolate, to 5 mm long, membranous,
caducous, with numerous long-stipitate glands.
acuminate at apex, the acumen 0-4 mm long,
glabrous above, glabrous beneath except for
appressed pubescence on midrib; midrib prom-
inulous above, prominent beneath; primary veins
8-10 pairs prominulous on both surfaces; peti-
oles 0.5-1 mm long, terete, eglandular, glabrous
or with a few adpressed hairs. Stipules 2 mm
long, linear, subpersistent. Inflorescences ter-
minal and subterminal racemes, 3-4 cm long,
the rachis sparsely hispid. Bracts and bracteoles
narrowly triangular, persistent, eglandular, ca. 1
mm long, sparsely hispid on exterior. Flowers 3
mm long. Receptacle campanulate, sparsely hispid
on exterior, almost glabrous within except
for a few appressed hairs with a ring of long
deflexed hairs around base of staminal
Inflorescences of terminal racemes to 12 cm ring; pedlong,
icels 5-7 mm
the rachis glabrous. Bracts and bracteoles 1.5-3
long, eglandular, sparsely hispid.
mm long, oblong, with two sessile glands toward
Calyx lobes five, acute, reflexed, sparsely hispid
on
apex, a few of the youngest bracteoles with one
exterior, densely gray-puberulous on interior.
Petals
or two stipitate glands in addition to the sessile
five, purple, glabrous. Stamens 5-6, unipaired
glands. Flowers ca. 5 mm
lateral, far exserted. Ovary tomentose, inserted
long. Receptacle at mouth of
campanulate, glabrous on
receptacle. Style pilose. Fruit unexterior,
glabrous known.
within except for deflexed hairs at throat; pedi- Habitat and
cels 12-16 mm
phenology. This species is known
long, extremely slender, eglan- from two white sand
dular. Calyx lobes five, acute, glabrous on extecampinas
of Central Amazonia.
Collected in flower in
rior, puberulous within, eglandular. Petals
July.
five,
glabrous. Stamens six, unilateral, the filaments Additional specimens examined. BRAZIL.
far exceeding the calyx lobes, glabrous. Style hir- AMAZONAS: Manacapuru, Igarap6 Branco, 6 Jul 1958
sute for half of length. Ovary inserted at mouth (fl), Ferreira 58-320 (INPA, NY); Serra dos 6 Lagos,
18 Jul 1979
of receptacle, pilose. Fruit not seen.
(fl), Maia et al. 663 (INPA).
Local name. caripe torrado.
7-55.2. Hirtella conduplicata Prance, Brittonia
This species is closest to Hirtella tenuifolia, 28: 227, fig. 12. 1976. Type. Brazil. Amazonas:
from which it differs in the smaller leaves, the
Lago de Castanho-Mirim, 25 Jun 1973 (fl), B.
hispid pubescence of the young stem, and the
Albuquerque et al. 887 (holotype, INPA).
much longer pedicels. It differs from H. racemosa
Fig. 125.
in the narrow, oblong-lanceolate leaves, the long
pedicels and the hispid young stems. It differs Tree to 20 m tall, the young branches sparsely
from H. sprucei in the smaller leaves, the long hispid. Leaf lamina conduplicate, oblong-ellippedicels,
the bracteolar glands and the absence tic, chartaceous, 3.5-5.5 x 2-2.5 cm, subcordate
of pedicel glands.
at base, caudate at apex, the acumen 8-15 mm
long, glabrous above, glabrous or with sparse ap-
7-55.1. Hirtella arenosa Prance, Brittonia 28:
pressed pubescence on veins beneath, midrib
227, fig. 11. 1976. Type. Brazil. Amazonas:
prominulous on both surfaces; primary veins 5-
7
Manaus-Itacoatiara Rd., km 180, 7 Jul 1980
pairs, prominulous on both surfaces; petioles
1.5-2.5 mm
(fl), W. A. Rodrigues et al. 8257
long, terete, eglandular, sparsely his-
(holotype,
INPA). Fig. 122.
pid. Stipules ca. 1 mm long, caducous, hispid.
Inflorescences of terminal and axillary racemes
Shrub to 3 m tall, the young branches puber- 2-3.5 cm long, the rachis sparsely hispid. Bracts
ulous, soon becoming glabrous. Leaf lamina and bracteoles ca. 1 mm long, oblong, acute,
oblong-elliptic, chartaceous, 3-5.5 x 1.2-2 cm, eglandular, sparsely hirsute. Flowers 5-6 mm
cuneate at base, acute, rounded, or shortly long. Receptacle campanulate, sparsely hirsute