Hsu HWC, Aranas DR, Alejandro GJD, Liede-Schumann S.

A new species of Argostemma (Rubiaceae) with free stamens in star-shaped corolla from the Philippines

. Phytotaxa [Internet]. 2020 Mar. 25 [cited 2025 Jul. 15];437(2):113–117. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.437.2.7