Page 156 - 《广西植物》2022年第10期
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1 7 7 4 广 西 植 物 42 卷
25 - 28 mm longꎬ 6 - 8 mm wideꎬ length/ width ratio October 2011ꎬ Zhou Shishun (周仕顺) 11197 (HITBC
3.1-4.6ꎬ lanceolateꎬ puberulent abaxially and adaxiallyꎬ 0040504)ꎻ Yingjiang County(盈江县)ꎬ Labang(拉邦)ꎬ
greenish ̄yellow. Inner petals 3ꎬ shortly clawed and free in voucher from a cultivated plant at the Xishuangbanna
lower partꎬ cohering and forming an ovate ̄caudate cone Tropical Botanical Gardenꎬ Chinese Academy of
at apexꎬ 15-18 mm longꎬ 5-6.5 mm wideꎬ length/ width Sciencesꎬ 21 July 2019ꎬ Yang Bin(杨斌)ꎬ XTBG0077
ratio 2.5-3ꎬ ovate ̄lanceolateꎬ puberulous abaxially and (HITBC )ꎻ 15 February 2020ꎬ Yang Bin ( 杨 斌)ꎬ
adaxiallyꎬ sometimes shortly lanate abaxially and XTBG0079 (HITBC)ꎻ 9 May 2020ꎬ Yang Bin(杨斌) &
adaxially in upper partꎬ yellowish greenꎬ base obtuse to a Xiao Chunfen(肖春芬)ꎬ XTBG0114 (HITBC)ꎻ 24 May
4.5-5 mm claw. Stamens 70-80 per flowerꎬ 2-2.2 mm 2021ꎬ Yang Bin(杨斌)ꎬ XTBG0243 (HITBC)ꎮ
longꎬ 0.8-0.9 mm wideꎻ connectives apiculate. Carpels Notes: The specimens of Goniothalamus
ca. 12 per flowerꎬ ovary 2.5-3 mm longꎬ light greenꎬ sesquipedalis deposited in Herbarium of Xishuangbanna
white pubescentꎻ stigma and style 2 - 2. 2 mm longꎬ Tropical Botanical Garden ( HITBC specimen No.
puberulous. Immature fruits greenꎬ mature fruits orange ̄ 001927ꎬ 001928ꎬ 001929ꎬ 066463) was previously
redꎻ fruiting pedicels 7 - 8.5 mm longꎬ 2.5 - 3 mm in misidentified as Goniothalamus multiovulatus Astꎬ which
diameter. Monocarps one seededꎬ fresh monocarps 21-24 is native to Vietnam (Turnerꎬ 2018). G. multiovulatus
mm longꎬ 10-12 mm wideꎬ length/ width ratio 2-2.2ꎬ dry can be differentiated from G. sesquipedalis by having
monocarps 16-18.8 mm longꎬ 6.9-7.4 mm wideꎬ length/ 4.5 - 5. 5 cm longꎬ 2 - 2. 5 cm wideꎬ cylindrical
width ratio 2. 2 - 2. 7ꎬ ovoid to ellipsoid ̄ovoidꎬ base monocarps with 2 - 4 hairy seeds per monocarp (Astꎬ
roundedꎬ apex attenuateꎬ sparsely puberulousꎬ glossyꎬ 1938). Hou ( 2003 ) misidentified them ( HITBC
pericarp medium ̄thickꎬ ca. 2 mm thickꎬ stipes 2-3 mm specimen No. 001927ꎬ 001928ꎬ 001929 ) as
longꎬ ca. 3 mm in diameter. Seeds 13-14 mm longꎬ 6.5-7 Goniothalamus macrophyllus (Bl.) Hook. f. et Thomsꎬ
mm wideꎬ ovoidꎬ testa slightly with latitudinal stripesꎬ which is distributed in Malaysiaꎬ Singaporeꎬ Indonesiaꎬ
dark brown to black brownꎬ aril yellowish brownꎬ Thailand ( Saundersꎬ 2002ꎻ Saunders & Chalermglinꎬ
endosperm ruminations lamellate. 2008ꎻ Turnerꎬ 2018 ). G. macrophyllus differs from
Distribution: China ( Yunnan ) ( new record )ꎻ G. sesquipedalis by having the leaves with a distinctive
India (Sikkimꎬ Assamꎬ Nagalandꎬ Manipurꎬ Meghalaya) and diagnostically important ‘ granular ’ appearance
(Griersonꎬ 1984ꎻ Karthikeyan et al.ꎬ 2009)ꎻ Bangladesh abaxially because of immersion of tertiary and lower
(Khanam & Rahmanꎬ 2002)ꎻ Myanmar (Kress et al.ꎬ order veins (Saundersꎬ 2002ꎻ Saunders & Chalermglinꎬ
2003ꎻ Kang et al.ꎬ 2017). 2008). G. sesquipedalis differs from G. macrophyllus in
Additional specimens examined: China ( 中 several important respects: the leaves of G. sesquipedalis
国). Yunnan ( 云南): Yingjiang County ( 盈江县)ꎬ with secondary venation very prominent adaxially and
Xima Township ( 昔 马 乡)ꎬ Nabangba ( 那 邦 坝 )ꎬ forming intramarginal veinꎬ tertiary venation prominent
24°44′ Nꎬ 97° 33′ Eꎬ 400 mꎬ 5 November 1974ꎬ and reticulateꎬ whereas the leaves of G. macrophyllus
Tao Guoda( 陶国达) 013190 ( specimen No. 001927 with secondary venation ± plane to impressed adaxially
[ barcodeꎬ HITBC0040552!]ꎬ specimen No. 001928 and not forming intramarginal veinꎬ tertiary venation
[ barcodeꎬ HITBC0040553!])ꎻ the same locationꎬ unconspicuous ( Saundersꎬ 2002 )ꎻ G. sesquipedalis
April 1979ꎬ s. coll. (specimen No. 066463 [barcodeꎬ can also be distinguished from G. macrophyllus by
HITBC0040554!])ꎻ Yingjiang County ( 盈 江 县 )ꎬ having 3 - 5 mm ( vs. 5 - 11. 5 mm) long flowering
Xima Township(昔马乡)ꎬ 24°45′ Nꎬ 97°42′ Eꎬ 260 pedicelsꎻ lanceolateꎬ greenish ̄yellow ( vs. ovateꎬ
mꎬ 3 December 1981ꎬ Tao Guoda ( 陶国达) 12774 orange ̄pink ) outer petals when matureꎻ ovate ̄
(specimen No. 001929 [ barcodeꎬ HITBC0040551!])ꎻ lanceolate ( vs. ovate)ꎬ 15 - 18 mm ( vs.7 - 15 mm)
Yingjiang County ( 盈 江 县)ꎬ Nabangba ( 那 邦 坝)ꎬ long inner petals ( Saundersꎬ 2002ꎻ Saunders &
Tongbiguan Natural Reserve(铜壁关自然保护区)ꎬ 10 Chalermglinꎬ 2008).