南非西开普省一种专性砂生植物的新定位

IF 2 4区生物学 Q2 PLANT SCIENCES Haseltonia Pub Date : 2018-08-01 DOI:10.2985/026.024.0102

E. Jaarsveld

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引用次数: 2

摘要

摘要/ Abstract摘要:作为一种专性蕨类植物，Delosperma expersum vars decumbens被转移到Drosanthemum属，并上升到种水平。Drosanthemum decumbens生长在南非西开普省Ceres和Worcester地区的桌山群(Cape Supergroup)的上石英砂岩悬崖面上。它的不同之处在于其再发芽的块茎，匍匐到下垂的茎，较短的花梗10-15(-35)毫米长，果蒴果在干燥前变红。

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Drosanthemum decumbens (Aizoaceae), a New Status for an Obligatory Cremnophyte from the Western Cape, South Africa

Abstract: An obligatory cremnophyte, Delosperma expersum var. decumbens is transferred to the genus Drosanthemum and raised to species level. Drosanthemum decumbens grows on upper quartzitic sandstone cliff faces of the Table Mountain Group (Cape Supergroup) in the Ceres and Worcester region of the Western Cape, South Africa. It differs from Drosanthemum expersum by its re-sprouting lignotuber, procumbent to pendent stems, shorter pedicels 10–15 (–35) mm long, and fruiting capsules turning reddish before drying.

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来源期刊

Haseltonia 生物-植物科学

CiteScore

3.00

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： Haseltonia, Yearbook of the Cactus and Succulent Society of America, is published in full color and features peer-reviewed articles about all aspects of cacti, succulents and their environs. Topics include current research and conservation reports, new species descriptions and lengthy taxonomic revisions, historical and biographical notes, chemical and cytological studies, evolutionary biology and ethnobotanical reports, propagation and pest control methods, and pollinator studies. Serious students of the world''s succulent flora, botanists, taxonomists, researchers and horticulturalists will all find Haseltonia a valuable addition to their book collection.