Thomasia microphylla
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Genus: Thomasia
Species:
T. microphylla
Binomial name
Thomasia microphylla
Paust[1]
Habit near Ravensthorpe

Thomasia microphylla is a species of flowering plant in the family Malvaceae and is endemic to the south-west of Western Australia. It is an erect, spreading shrub with egg-shaped leaves and racemes of pale pink or mauve flowers.

Description

Thomasia microphylla is an erect, spreading shrub that typically grows to a height of 15–60 cm (5.9–23.6 in), its young stems covered with small scales surrounded by short hairs. Its leaves are egg-shaped, 2–10 mm (0.079–0.394 in) long and 2–5 mm (0.079–0.197 in) wide on a petiole 1–2 mm (0.039–0.079 in) long. The flowers are arranged on the ends of branches in racemes of 2 to 4 on a peduncle 10–30 mm (0.39–1.18 in) long, each flower 12 mm (0.47 in) wide on a pedicel 4–5 mm (0.16–0.20 in) long. The sepals are pale pink or mauve, the petals minute. Flowering occurs from August to November.[2][3][4]

Taxonomy

Thomasia microphylla was first formally described in 1974 by Susan Paust in the journal Nuytsia from specimens collected by Alex George near the Ravensthorpe Range in 1963.[2][5] The specific epithet (microphylla) means "small-leaved".[6]

Distribution and habitat

This thomasia grows in sandy coastal heath, on laterite, loam or clay in the Esperance Plains and Mallee bioregions in the south of Western Australia.[3][4]

Conservation status

Thomasia microphylla is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.[4]

References

  1. ↑ "Thomasia microphylla". Australian Plant Census. Retrieved 17 January 2023.
  2. 1 2 Paust, Susan (1974). "Taxonomic studies in Thomasia and Lasiopetalum (Sterculiaceae)". Nuytsia. 1 (4): 351–353. doi:10.58828/nuy00022. S2CID 90727026. Retrieved 14 January 2023.
  3. 1 2 Blake, Trevor L. (2021). Lantern bushes of Australia ; Thomasias & allied genera : a field and horticultural guide. Victoria: Australian Plants Society, Keilor Plains Group. pp. 36–37. ISBN 9780646839301.
  4. 1 2 3 "Thomasia microphylla". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. ↑ "Thomasia microphylla". Australian Plant Name Index. Retrieved 17 January 2023.
  6. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 252. ISBN 9780958034180.
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