Taxonomic notes on Ilex sect. Ilex (Aquifoliaceae) from China II: Revision of I. fargesii and related species based on molecular and morphological evidence
Author
Yang, Yi
CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China. & University of Chinese Academy of Sciences, Beijing 100049, China.
Author
Chen, Li
CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
Author
Sun, Lu
CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China. & University of Chinese Academy of Sciences, Beijing 100049, China.
Author
Peng, Hua
CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China.
text
Phytotaxa
2020
2020-02-05
432
1
47
64
http://dx.doi.org/10.11646/phytotaxa.432.1.5
journal article
10.11646/phytotaxa.432.1.5
1179-3163
13876650
2.
Ilex pubifructa
Pruesapan, S.Andrews & D.A.Simpson
(2017[21]: 1).
Type:
—
THAILAND
.
Chiang Mai
:
Doi Pui
,
16 June 1968
,
Beusekom
&
Phengkhlai
1295
(
holotype
K;
isotype
L-0759074!)
.
Evergreen trees, up to
20 m
tall. Twigs pubescent or later glabrescent (the male individuals are usually more densely pubescent than the female ones). Young branches green to blackish-green, turning black when dried; third- to fourth-year branches scattering with obvious lenticels and usually thinly fissured. Terminal buds ovate, usually densely pubescent. Petioles
0.5–2 cm
long; leaf blades leathery, obovate, broadly elliptic, or oblong-elliptic,
4–14 cm
long,
2–6 cm
broad, glabrous above and densely pubescent to glabrous below, midvein slightly sunken above, prominent below, lateral veins 7–13 pairs, obscure or slightly sunken above, sub-prominent below, reticulate veins usually obscure on both surfaces, base cuneate to round, margin crenate to obscure denticulate with very obscure teeth, apex obtuse to slightly rounded to rounded acute. Inflorescences: cymes, fasciculate; rachises and pedicels pubescent; flowers whitish or yellowish, 4-merous. Male inflorescences: cymes of order 2, 3-flowered; rachises
5–20 mm
; bracts deltoid; pedicels
2–3 mm
; bracteoles 2; calyx patelliform, ca.
2 mm
in diam., 4-lobed; corolla ca.
7 mm
in diam., petals
4–5 mm
long; stamens as long as petals, anthers oblong; rudimentary ovary ovoid-conical. Female inflorescences: 1-flowered cymes; rachis
3–15 mm
, pedicels
2–5 mm
; calyx and petals as in male flowers; sterile anthers sagittate; ovary ovoid, densely pubescent, stigma discoid. Fruit red when ripe, sub-globose, 6–7.5 ×
4–5 mm
, surface pubescent; pyrenes 4, subellipsoid, 3–6 ×
2.5–4 mm
, abaxially and laterally irregular sulcate, pitted, endocarp woody.
Phenology
:—
Ilex pubifructa
flowers from March to April, its fruits ripen from August to September.
Distribution and habitat
:—This species is currently found in southwestern
China
(
Yunnan
) and northern
Thailand
(
Chiang Mai
, Lampoon), where it grows in montane forest at elevation range
700–2000 m
. The distribution information is showed in
Fig. 4
.
Additional specimens examined
:—
CHINA
.
Yunnan
:
Kunming City
, KIB (cultivated), elev.
1940 m
,
6 April 2018
,
Y.
Yang
OYY00062
(
♂
) &
OYY00063
(
♀
) (
KUN
), the same location,
29 August 2016
,
L.
Jiang
JL00467
(
KUN
)
;
Yimen County
, elev. ca.
1850 m
,
31 July 2018
,
H.
Peng
et al. OYY00087
(
KUN
)
;
Jianshui County
,
Pingjie-ba
to
Gantang
, elev. unknown,
19 Mar 1941
,
T. N. Liou
18356
(IBSC, PE)
;
Menghai (Fo-Hai) County
, elev.
2000 m
,
July 1936
,
C. W.
Wang
77406
(A (
HUH
), HIB, IBSC, KUN, LBG, NAS, PE, WUK)
.
THAILAND
.
Chiang Mai
:
Banbahng Koom
,
Yahog Moeun Subdistrict
,
Doi Mon Angget
, elev.
1300 m
,
16 May 1993
,
J. F. Maxwell
93-435
(L)
;
between Sop Aep and Tat Noi
, elev.
700 m
,
21 March 1967
,
T.
Smitinand
et al. 10226
(L, P)
.
Lampoon
:
Mae Tah
,
Doi Kuhn Dahn National Park
, along the trail from
Yaw
2 to 3, elev.
1125 m
,
2 March 1994
,
J. F. Maxwell
94-304
(L)
.
Additional specimens of
Ilex denticulata
examined
:—
INDIA
.
Tamil Nadu
:
Mount. Nilagiri
, elevation and data unknown,
R. Wight
438
(K, NY),
R. Wight
490
(A (
HUH
), E, K, P)
;
Mount. Nilagiri
, elevation unknown, 1854,
Metz
1455
(A (
HUH
)) and
Metz
1456
(FI, K, P)
;
Yercad
,
Salem
, elev.
1600 m
,
N. Venugopal
&
T. S. Jayaseelan
22412
(
US
).