Goodenia macrocalyx


Goodenia macrocalyx is a species of flowering plant in the family Goodeniaceae and is endemic to north-eastern Australia. It is a glabrous, perennial herb with elliptic to narrowly egg-shaped leaves at the base of the plant, yellow flowers and narrowly oval fruit.

Description

Goodenia macrocalyx is a glabrous perennial herb with elliptic to narrowly egg-shaped leaves at the base of the plant, long and wide, sometimes toothed near the base, on a petiole long. The flowers are arranged on a peduncle up to long, with linear to elliptic bracteoles] long and wide. The sepals are elliptic to egg-shaped, long and the petals are yellow, long and hairy on the outer surface. The lower lobes of the corolla are long. The fruit is a narrowly oval capsule long containing broadly elliptic seeds wide.

Taxonomy and naming

This species was first formally described in 1848 by Willem Hendrik de Vriese who gave it the name Velleia macrocalyx in Thomas Mitchell's Journal of an Expedition into the Interior of Tropical Australia. In 2020, Kelly Anne Shepherd transferred the species to Goodenia as G. macrocalyx in the journal PhytoKeys. The specific epithet macrocalyx means "large sepals".

Distribution and habitat

This goodenia grows in woodland and grassland in the Northern Territory and in Queensland from the Barkly Tableland and Sandover River to the Burdekin River.

Conservation status

Goodenia macrocalyx is classified as of "least concern" under the Queensland Government Nature Conservation Act 1992 and the .