Higher classification Malacothamnus
Scientific name Malacothamnus densiflorus
|Similar Malacothamnus, Mallows, Malacothamnus davidsonii, Malacothamnus palmeri, Malacothamnus fremontii|
Malacothamnus densiflorus, often known by the common names yellowstem bushmallow and yellow stem bush mallow, is a species of flowering plant in the mallow family.
Malacothamnus densiflorus is endemic to the Peninsular Ranges of southwestern California and northwestern Baja California. It is a member of the chaparral plant community.
Malacothamnus densiflorus is a shrub with a slender, multibranched stem approaching 2 metres (6.6 ft) in maximum height. It is coated in thin to dense yellowish or tan hairs.
The thick to leathery leaves are oval in shape, a few centimeters long, and sometimes divided into lobes.
The inflorescence is a spikelike cluster of many pale pink flowers with oval or somewhat triangular petals each up to a centimeter long.