Pentactina is an oligotypic genus of flowering plants in the family Rosaceae, first described by the Japanese botanist Takenoshin Nakai in 1917. The genus occurs in restricted areas of North Korea and the Russian Far East.
GENUS
via GBIF · CC0
Pentactina is an oligotypic genus of flowering plants in the family Rosaceae, first described by the Japanese botanist Takenoshin Nakai in 1917. The genus occurs in restricted areas of North Korea and the Russian Far East.
==Description== Shrub deciduous. Leaves alternate, simple, without stipules. Inflorescence a terminal panicle. Flower calyx 5-lobed, calyx lobes reflexed during flowering; petals 5, white, linear; stamens 20; carpels 5; ovules 2 per carpel. Fruit follicles, dorsiventrally dehiscent.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).