Pimelea rupestris

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Pimelea rupestris
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Thymelaeaceae
Genus: Pimelea
Species:
P. rupestris
Binomial name
Pimelea rupestris

Pimelea rupestris is a species of flowering plant in the family Thymelaeaceae and is endemic to eastern Australia. It is a shrub with hairy young stems, elliptic to egg-shaped leaves with the narrower end towards the base, and heads of white flowers that are either all male or all female.

Contents

Description

Pimelea rupestris is a shrub that typically grows to a height of 0.5–1 m (1 ft 8 in – 3 ft 3 in) and has hairy young stems, the hairs pressed against the stem. The leaves are arranged alternately along the stems, elliptic to egg-shaped with the narrower end towards the base, 10–29 mm (0.39–1.14 in) long and 4.5–9 mm (0.18–0.35 in) wide, on a petiole 1.3–2.3 mm (0.051–0.091 in) long. The upper surface of the leaves is more or less glabrous and the lower surface sparsely hairy. The flowers are borne in leaf axils in heads of 40 to 80 on a peduncle up to 1.5 mm (0.059 in) long, each flower on a pedicel 0.2–0.3 mm (0.0079–0.0118 in) long. All the flowers on a plant are either all male or all female, the floral tube 3.0–4.4 mm (0.12–0.17 in) long and white, the sepal lobes 1.5–2.2 mm (0.059–0.087 in) long and densely hairy on the outside. Flowering has been observed from January to March and in September. [2]

Taxonomy

Pimelea rupestris was first formally described in 2017 by Anthony Bean in the journal Austrobaileya from specimens he collected on Widgee Mountain, west of Gympie in 2009. [2] [3] The specific epithet (rupestris) means "of rocks" or "living in rocky places", referring to the habitat of the species. [2]

Distribution and habitat

This pimelea grows in rocky outcrops with serpentinite on hills and mountainous places and is only known from the type location in Queensland, and Fine Flower and Wave Hill station in northern New South Wales. [2]

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<i>Pimelea interioris</i> Species of flowering plant

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<i>Pimelea latifolia</i> Species of plant

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Pimelea leptospermoides, commonly known as serpentine rice flower, is a species of flowering plant in the family Thymelaeaceae and is endemic to Queensland. It is a shrub with narrowly egg-shaped to elliptic leaves and white, tube-shaped flowers arranged in groups of up to 7.

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Pimelea penicillaris, commonly known as sandhill riceflower, is a species of flowering plant in the family Thymelaeaceae and is endemic to Central Australia. It is an erect, dioecious shrub with densely hairy young stems, densely hairy, pale silvery green, elliptic leaves, and compact heads of white to yellow or pink flowers surrounded by 6 to 12 silky-hairy, silvery or brownish involucral bracts.

Pimelea plurinervia is a species of flowering plant in the family Thymelaeaceae and is endemic to north-eastern Queensland. It is a shrub with densely hairy young stems, elliptic leaves and heads of 24 to 45 white, tube-shaped flowers.

References

  1. ↑ "Pimelea rupestris". Australian Plant Census. Retrieved 24 March 2023.
  2. 1 2 3 4 Bean, Anthony R. (2017). "A taxonomic revision of Pimelea section Epallage (Endl.) Benth. (Thymelaeaceae) in Queensland". Austrobaileya. 10 (1): 30–32. Retrieved 24 March 2023.
  3. ↑ "Pimelea rupsetris". APNI. Retrieved 23 February 2023.
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