Asparagus cochinchinensis
Species of flowering plant
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Through Flowering plant, East Asia and Chromosome
Description and distribution
Asparagus cochinchinensis is a dioecious climbing perennial with stems 1–2 m long. Its cladodes are usually borne in clusters of three and measure 0.5–8 cm long by 1–2 mm wide. The pale-green axillary flowers are usually paired, and the berries are 6–7 mm in diameter and contain one or two seeds.
The species is native to East and Southeast Asia, occurring in China, Japan, Korea, Taiwan, Cambodia, Laos, Vietnam and the northern Philippines. Its specific epithet refers to Cochinchina, a historical region of southern Vietnam. It is called thiên môn đông in Vietnamese and tiān mén dōng (天門冬) in Chinese.
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Genomics
A chromosome-level genome assembly of Asparagus cochinchinensis was published in 2026, providing the first publicly available reference genome for the species. The assembly spans approximately 1.3 Gb, with 10 pseudochromosomes, has a BUSCO completeness of 94.3%, and contains 48,453 predicted protein-coding genes.