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2023•Nordic Journal of BotanyOpen access

Saxifraga cataphracta (Saxifragaceae), a new species from Southwest China

Xinjian Zhang, Cheng Zhang, Xinyuan Kuai, Jun‐Tong Chen, Tao Deng, Hang Sun

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Abstract

Saxifraga cataphracta , a new species of Saxifragaceae from Southwest China, is described and illustrated. Morphological and molecular evidence ( matK , psbA‐trnH , psaJ‐rpl33 ) indicate that S. cataphracta belongs in S. sect. Irregulares , and is closely related to S. geifolia and S. mengtzeana . The new species can be diagnosed by its leaf blade abaxially with white or virescent interveinal streaks, involucre and bracts conspicuous, and capsule beaks winged when mature.

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What this paper is about

Saxifraga cataphracta , a new species of Saxifragaceae from Southwest China, is described and illustrated. Morphological and molecular evidence ( matK , psbA‐trnH , psaJ‐rpl33 ) indicate that S. cataphracta belongs in S. sect. Irregulares , and is closely related to S. geifolia and S. mengtzeana . The new species can be diagnosed by its leaf blade abaxially with white or virescent interveinal streaks, involucre and bracts conspicuous, and capsule beaks winged when mature.

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Available abstract

Saxifraga cataphracta , a new species of Saxifragaceae from Southwest China, is described and illustrated. Morphological and molecular evidence ( matK , psbA‐trnH , psaJ‐rpl33 ) indicate that S. cataphracta belongs in S. sect. Irregulares , and is closely related to S. geifolia and S. mengtzeana . The new species can be diagnosed by its leaf blade abaxially with white or virescent interveinal streaks, involucre and bracts conspicuous, and capsule beaks winged when mature.

Key concepts: Biology, Saxifragaceae, Bract, Botany, Leaf blade, Eudicots, Taxonomy (biology), Inflorescence

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