Pimelea cracens is a species of flowering plant in the family Thymelaeaceae and is endemic to the southwest of Western Australia. It is an erect, spindly shrub with narrowly elliptic to egg-shaped leaves and creamy green to pale yellow flowers surrounded by 6 or 8 yellowish or pale green and reddish involucral bracts.

Pimelea cracens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Thymelaeaceae
Genus: Pimelea
Species:
P. cracens
Binomial name
Pimelea cracens

Description

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Pimelea cracens is an erect, spindly shrub that typically grows to a height of 0.4–1.5 m (1 ft 4 in – 4 ft 11 in) and is usually single-stemmed at ground level. The leaves are arranged in opposite pairs, narrowly elliptic to more or less egg-shaped, 6–22 mm (0.24–0.87 in) long and 2–6 mm (0.079–0.236 in) wide on a petiole 0.3–1.3 mm (0.012–0.051 in) long. The flowers are pendulous and creamy green to pale yellow, surrounded by 3 or 4 pairs of yellowish or pale green and reddish involucral bracts 12–28 mm (0.47–1.10 in) long and 6–14 mm (0.24–0.55 in) wide, on a peduncle 1–4 mm (0.039–0.157 in) long. Each flower is on a pedicel about 1 mm (0.039 in) long, the flower tube 7.5–12 mm (0.30–0.47 in) long. The style extends beyond the flower tube by 4–6 mm (0.16–0.24 in). Flowering mainly occurs from July to November.[2][3]

Taxonomy

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Pimelea ciliata was first formally described in 1988 by Barbara Lynette Rye and the description was published in the journal Nuytsia.[3][4] The specific epithet (cracens) means "graceful" or "slender".[3]

In the same edition of Nuytsia, Rye described two subspecies of P. cracens, and the names are accepted by the Australian Plant Census:

  • Pimelea cracens Rye subsp. cracens[5] has a hairy flower tube;[3]
  • Pimelea cracens Rye subsp. glabra Rye[6] has a more or less glabrous flower tube.[3]

Distribution and habitat

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This pimelea grows on undulating plains, winter wet areas and roadsides between the Donnelly River, Israelite Bay and Kumarl in the Esperance Plains, Jarrah Forest and Mallee bioregions of south-western Western Australia.[2][3]

References

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  1. ^ "Pimelea cracens". Australian Plant Census. Retrieved 15 October 2022.
  2. ^ a b "Pimelea cracens". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  3. ^ a b c d e f Rye, Barbara L. (1988). "A revision of Western Australian Thymelaeaceae". Nuytsia. 6 (2): 209–212. Retrieved 16 October 2022.
  4. ^ "Pimelea cracens". APNI. Retrieved 4 November 2022.
  5. ^ "Pimelea cracens subsp. cracens". Australian Plant Census. Retrieved 16 October 2022.
  6. ^ "Pimelea cracens subsp. glabra". Australian Plant Census. Retrieved 16 October 2022.