Neoschmidia, a new genus of Rutaceae from New Caledonia
Author
Hartley, Thomas G.
text
Adansonia
2003
3
25
1
7
12
journal article
http://doi.org/10.5281/zenodo.4605217
1639-4798
4605217
B1E19025-28B7-481A-8966-1D6BD032FE96
2.
Neoschmidia calycina
T.G. Hartley
,
sp. nov.
Frutex
0.5-1.5 m
alta; ramulis novellis glabris; foliis subtus fere glabris, supra glabris, obovatis vel oblanceolatis, 3.5-6.5 ×
0.5-2 cm
, apice obtusis vel rotundatis (et retusis), venis secondariis plerumque prominulis; inflorescentiis fere glabris usque puberulis, 1-vel paucifloris,
0.8- 1.5 cm
longis, pedicellis
1.5-3 mm
longis; sepalis abaxialiter glabris usque sparse puberulis, adaxialiter glabris, in 1/3-1/2 proximali connatis, parte libra late triangulari,
0.8-1.5 mm
longa; petalis albis, abaxialiter dense appresse puberulis, adaxialiter glabris; ovariis ut folliculis glabris vel fere glabris.
TYPUS
. —
MacKee
20419
,
New Caledonia
, haute
Népoui
,
Oua Péoué
, contrefort
S
du
Kopéto
,
600 m
,
25 Mar. 1969
, fl., fr. (holo-,
P!).
Shrub
0.5-1.5 m
high. Young branchlets glabrous. Leaves nearly glabrous below, glabrous above, obovate or oblanceolate, 3.5-6.5
×
0.5-2 cm
, apex obtuse or rounded (and retuse), secondary veins usually prominulous. Inflorescences nearly glabrous to puberulent, 1- or few-flowered,
0.8- 1.5 cm
long, pedicels
1.5-3 mm
long. Sepals glabrous to sparsely puberulent abaxially, glabrous adaxially, connate in proximal 1/3-1/2, the free portion broadly triangular,
0.8-1.5 mm
long; petals white, densely appressed-puberulent abaxially, glabrous adaxially; ovaries like the follicles glabrous or nearly so.
Fig. 1. —
Neoschmidia pallida
T.G. Hartley
:
A
, flowering branchlet;
B
, flower;
C
, androecium, disc, and gynoecium (rehydrated, five stamens removed, one shown in abaxial view);
D
, fruit;
E
, dorsilateral endocarp;
F
, seed with ventral endocarp and embryo. (A, B,
McPherson 2085
; C,
Hartley
14966
; D-F,
MacKee 44283
).
DISTRIBUTION AND ECOLOGY. —
Neoschmidia calycina
is known only from west-central
New Caledonia
; recorded from maquis between 400 and
800 m
altitude on ultramafic terrains.
PARATYPES
. —
NEW CALEDONIA
:
Jaffré
2368
, massif
du Boulinda
,
400 m
,
23 Feb. 1978
, fl., fr. (
NOU
,
P
)
;
MacKee
19568
,
Kopéto
,
Mt. Tiaoué
,
600-800 m
,
17 Sep. 1968
, fl., fr. (
CANB
)
;
MacKee
22201
,
Kopéto
, crête
E
du
Mt. Vert
,
700 m
,
8 July 1970
, fl., fr. (
P
)
.
Neoschmidia calycina
differs from
N. pallida
mainly in its sepals, which are connate in their proximal 1/3-1/2 and have a free portion
0.8- 1.5 mm
long. Also, it lacks the sericeous indumentum seen in
N. pallida
.