The leaves of sparrow corals are 2.5 to 7 cm long and 1.3 to 3.2 cm wide. They are lanceolate or ovate. The leaves have tips and green white leaves. Sometimes there are irregular white spots on the leaves. The back of the leaves has a prominent midvein.
The leaves are thin, alternate, ovate lanceolate, leathery and green, with the midrib protruding below and keel like.
White sparrow corals gather umbels with red flowers.
The corals of the cardinal are arranged into terminal cymes, the involucres are bright red, and the flowers are red or purple.