rigidulous
/rɪˈdʒɪdjʊləs/ /rɪˈdʒɪdʒʊləs/Chiefly Botany
adjective
Somewhat or slightly stiff; having a degree of stiffness.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From post-classical Latin and scientific Latin rigidulus + -ous.