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海南十大功劳属一新种



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广 西 植 物 Guihaia 14(1):18-19 1so cI
A
海南十大功劳属一新种
4‘鲢
胡启明 李泽贤 I刀 福武
(雨 磊 厕丽弼 r卅Ⅲ6⋯
NEw 呲 。E 。F M 、 ·
(BERBERlDACEAE)FROM HAINAN
Hu Chiming.Li Zexian and Xing Fuwu
C South China Institute 0f Botany.Academia Siaica.Guangzhou 51065D)
关键词.鲞直± 董
Key wo rds Mahonla
Mahonia hainanensis H.L.X..
Species M.japo~icae DC.affinis,
~ermina1ibus seesilibus.
sp·nov·
a qua imprimis diffort folidts 9—11一j gi目|
Frutex ad 3m altus, truneo 3-6cm ~TesSO superne ramoso, cOrtice griseo
iongi~udinaliter fieso. Felia mⅡ1ta conferta,25— 45 cm longa. rhachi subte~rete
Supra sublateraliter canaliculta,basi stipulis binis snbulatis 5— 6 mm longis-in—
struota,internodo poSteriore vix ultra 4 cm longo et anteriore 1.8— 2.5 cm longoJ
foliorum paribus 9一l1一j1 0 infimo multo minore 8—1O mm Supra pe~ioH basin
insecto. FoE出lIn terminale sessile lanccolatum 5~ 7 cm longum; fo1ia latera1ia
~eesilia ± inaequalia,ima minuta,ovata 1.5— 2 5 cm longa,media ovato-lancec—
lata 5— 7 cm longa,2.5— 3.5 cm lata, basi oblique rotundata eel Cordulata,
margine setrato-lanceolata.ooriacoa supra nitidula,in葡co subtus paHide fu]vescontia;nervi ba—
sales 3— 5 subtus elevati. Racemi c.10 faseiculati 5— 12 cm longi, pluriflori.
Flores f]avi;bracteolae ellipticae c.3 mn2 longao apiee obtusae;pedicelli c.4 mill
tongi;·sepala oon~va,3 externa minima late ovata,1.5—2 mm longa, 1.2—1.5
ⅡⅡn lata,3 media majoraJ 3 interna maxima late olliptica,3.5—4 mm longa,e.
2.5 n工Q lata,5-nerViaJ apj∞ obtusa;peta]a 6 J angnste elipttca,c.4 mln longa
ot 2 IDxn lata,3-nervia apice obtusa vel emarginata.Stamina petalis quarta vel
dimidia parte breviora.Ovarium anguste elElasoide~m e.2 him long~m in Stigma
aiscoideum so.sire a~tenu毗um. Bacca ig~ota.
HMnan(海南 )I Ohangjlang Xian(昌江县 ), Wangxia(王 F), in thin
foreSt on calcareOUS formationsJ alt.800- 1 250 m., Li Zexian and Xing FUWU
511 7,5275(holotypus IBSC).

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1 胡启剁等:海南 : 大功劳属一新矛4
本种与华南十大功劳 Mahonia japonica DC.近似,但小叶多达 9—11对,顶生小
叶无柄.极易区别
M ahonfa Bainanensis H.L. X.
1.花枝。2.外层萼片- 8.内层萼片. 4.花瓣, 5.雄茁, 6.于房。 (亲扳平绘)
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