Cryptandra longistaminea is a species of flowering plant in the family Rhamnaceae and is endemic to eastern Australia. It is a shrub with many branches, egg-shaped or elliptic to linear leaves, and clusters of white, tube-shaped flowers.

Description
Cryptandra longistaminea is a shrub that typically grows to a height of  and has many branchlets  long but that are not spiny. The leaves are egg-shaped or elliptic to linear, mostly  long and  wide on a petiole  long. There are narrow triangular stipules  long at the base of the petioles. The edges of the leaves are curved downwards, the upper surface glabrous, the lower surface densely covered with white, star-shaped hairs. The flowers are usually borne in clusters on smaller branches with brown, overlapping bracts  long at the base. The floral tube is white to creamy-white,  long, the lobes spreading,  long and the petals white, protruding  beyond the end of the floral tube, and hooded. Flowering occurs from June to September.

Taxonomy and naming
Cryptandra longistaminea was first formally described in 1862 by Ferdinand von Mueller in Fragmenta Phytographiae Australiae from specimens collected near the Severn River. The specific epithet (longistaminea) means "long stamens".

Distribution and habitat
This cryptandra mainly grows in open forest, south from about Gladstone in south-eastern Queensland to Grafton in New South Wales. It also occurs in scattered populations north from Gilgandra on the slopes and in mallee communities north of Hillston in inland New South Wales.

References

longistaminea
Rosales of Australia
Flora of Queensland
Flora of New South Wales
Plants described in 1862
Taxa named by Ferdinand von Mueller