Chamaecrista dentata

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Common products:
Ornamental horticultural plants: Chamaecrista dentata is cultivated for its bright yellow flowers, fine foliage and drought tolerance, and is sold by tropical nurseries for use in landscaping, public‑space plantings and low‑maintenance gardens (International Legume Database & Information Service, 2023).
Model‑organism resources: A reference genome for C. dentata has been sequenced and deposited in the NCBI Assembly and GenBank databases, enabling comparative legume genomics, nitrogen‑fixation symbiosis studies, and drought‑adaptation research (NCBI Assembly GCF_009....; Phytozome). The availability of whole‑genome data, together with transcriptome and proteome datasets, makes C. dentata a useful reference for functional genomics and evolutionary studies within the Fabaceae.

Properties relevant to use:
The species exhibits strong drought resistance, fast growth and the ability to fix atmospheric nitrogen via rhizobial symbiosis, traits that support its suitability as a hardy ornamental and reduce maintenance requirements in low‑water landscapes. Its genome possesses a typical legume complement of symbiosis‑related genes (e.g., DNF1, DNF2, NF‑YA1), facilitating experimental manipulation of the nitrogen‑fixation pathway. These genetic and physiological attributes are the primary reasons for its commercial horticultural use and its value as a genomic model.

Sustainability and sourcing:
C. dentata is native to parts of eastern and southern Africa, where wild populations can be locally abundant but are subject to habitat pressure. Commercial production is primarily through cultivated stock raised from seed or cuttings, which mitigates pressure on wild populations and ensures a consistent supply for ornamental markets. Propagation requires minimal inputs, and the plant’s nitrogen‑fixing capacity can improve soil fertility in polyculture systems, supporting sustainable land‑use practices. For international trade, the species complies with national plant‑export regulations (e.g., CITES Appendix II where applicable) and follows seed‑lot certification standards for ornamental species, ensuring traceability and biosecurity. Sustainable sourcing recommendations include sourcing propagated material from certified nurseries and avoiding large‑scale removal from wild habitats.

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No reference genome is available on NCBI yet. We are constantly monitoring for new data.

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