东亚和南亚马兜铃属的修订

中国科学院大学学报

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东亚和南亚马兜铃属的修订

马金双

(北京师范大学，北京)

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1989-09-10 发布日期:1989-09-10
通讯作者: 马金双

A Revision of Aristolochia Linn. from E. & S. Asia

Ma Jin-Shuang

(Beijing Normal University. Beijing)

Received:1900-01-01 Revised:1900-01-01 Online:1989-09-10 Published:1989-09-10
Contact: Ma Jin-Shuang

摘要/Abstract

摘要：

本文通过对东亚和南亚马兜铃属的研究，修改了马兜铃属的分类系统，补充论证了演化趋势；并

在分析该属地理分布的基础上提出马兜铃属分布与分化的第二个中心——中国的横断山区。本文确

认2亚属、7组、4系、68种和1变种，其中有3新组、2新种及13个新异名。

关键词: 马兜铃属, 修订, 系统, 演化, 地理分布与分化中心, 东亚与南亚

Abstract:

This revision deals with the system, evolution, distribution, cytotaxonomy and

taxonomic treatment of the genus Aristolochia Linn. from E. & S. Asia, which covers Japan,

USSR (Far East), China, Viet Nam, Laos, Cambodia, Thailand, Burma, India, Bhutan, Ne-

pal, Sikkim, Bangladesh and Pakistan. Total 2 subgenera, 7 sections, 4 series, 68 species and

1 variety (cultivated species not included) are recognized in this treatment, of which 3 sec-

tions and 2 species are described as new. In addition, 13 new synonyms and some new re-

cords to this region are also included.

Ystem Having estimated all the works dealing with the subdivision of the genus by

the previous authors, the system of O. C. Schmidt (1935) is chosen as the basis, with a change

of the sequence of the subdivisions. The subgenus Pararistolochia (Hutch. & Dalz.) O. C.

Schmidt, which has indefinite stamens and gynandrous lobes, seems to be better considered as

the most primitive one in the genus, while the subgenus Siphisia (Raf.) Duch., which has de-

finite stamens and gynandrous lobes, anthers arranged in 3 pairs and more modifications of

the perianth, seems to be the most advanced one. The perianth of the subgenus Siphisia has dif-

ferentiated into several types, and it is more rational using this character to classify sections

than lobes of the gynostemium. In this way, three new sections has been established. A sug-

gested system of the genus is summarized as follows:

Subgen. 1. Pararistolochia (Hutch. & Dalz.) O. C. Schmidt

Subgen. 2. Aristolochia: Sect. 1. Aristolochia (2 series), Sect. 2. Gymnolobus Duch.

Subgen. 3. Siphisia (Raf.) Duch.: Sect. 3. Pentodon Klotz, Sect. 4. Odontosiphisia J. S.

Ma, Sect. 5. Leptosiphisia J. S. Ma, Sect. 6. Nepenthesia Klotz., Sect. 7. Obliquosiphisia J. S.

Ma, Sect. 8. Siphisia (2 series).

Evolution According to the character analysis of the genera of Aristolochiaceae, the ev-

olutionary trends of the family are proposed as follows: 1, the perianth from double to single,

from cup-like to tubular, 2, stamens from indefinite to definite, from separate from pistil to

united into a gynostemium with pistil, which is a major evolutionary line in the family, 3,

ovary from half-superior to inferior, and 4, fruit from a follicle to a capsule. It is evident

that the genus Aristolochia, with a tubular perianth, stamens 6, a gynostemium, an inferior

ovary and a capsule, is in highly advanced position in the family. The subgenus Pararistolo-

chia, which has more stamens and more lobes of gynostemium, is very similar to the genus

Thottea Rottb. and thus better considered as the most primitive subgenus in the genus. The sub-

genus Siphisia, which has definite stamens (6) in 3 pairs and 6 lobes of gynostemium as well

as the polyploid feature (2n=4x=28), is the most advanced subgenus. As a result of the char-

acter analysis, the evolutionary trends of the subgenera in the genus, which are in accordance

with those of the family, are proposed as follows: 1. stamens from indefinite to definite, and

2. gynostemium lobes from more to less.

Distribution The more primitive subgenus Pararistolochia is only distributed in West

Africa (except 1 species in Malesia), the subgenus Aristolochia in the tropical and subtropical

regions, rarely in the temperate one, and the most advanced subgenus Siphisia occurs mainly

in E. Asia, occasionally in N. America. The result of this work shows that the Hengduan

Mountains is the second center of distribution after South America. The second center of dis-

tribution is of following features: 1. complex composition of taxa, among 3 subgenera and 8

sections, 2 subgenera and 7 sections have been recorded here, 2. rich in species, more than

half of the total E. & S. Asian species, i.e. about 42 species have been found in this region, and

3. numerous endemics, more than 85 percent of the total number of species in the region, i.e.

about 35 species, are endemic.

Cytotaxonomy and taxonomic treatment The known chromosome numbers in 43

species, with 34 reported by Gregory (1956) and Fedorov (1969), together with 9 species newly

reported in this work, show that Subgen. Aristolochia with 2n=2x=14, rarely 12, is apparently

more primitive than Subgen. Siphisia with 2n=2x=28.

Key words: Aristolochia, Revision, System, Evolution, Distribution, E.Asia and S.Asia.

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东亚和南亚马兜铃属的修订

A Revision of Aristolochia Linn. from E. & S. Asia

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