Spyridium scabridum

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Spyridium scabridum
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rhamnaceae
Genus: Spyridium
Species:
S. scabridum
Binomial name
Spyridium scabridum
Synonyms [1]
  • Cryptandra scabridaTate
  • Spyridium halmaturinum var. scabridum(Tate) J.M.Black
  • Spyridium scabridumTate nom. inval., pro syn.

Spyridium scabridum is a species of flowering plant in the family Rhamnaceae and is endemic to Kangaroo Island in South Australia. It is a slender, erect shrub or small tree with oblong or narrowly egg-shaped leaves, and heads of sparsely hairy, white to cream-coloured flowers surrounded by densely hairy floral leaves.

Contents

Description

Spyridium scabridum is a slender, erect shrub or small tree that typically grows to a height of up to 3 m (9.8 ft) and has densely hairy young stems. The leaves are oblong to narrowly egg-shaped with the narrower end towards the base, 5–11 mm (0.20–0.43 in) long and 1.5–2.8 mm (0.059–0.110 in) wide on a petiole 1.5–2 mm (0.059–0.079 in) long with sticky, egg-shaped stipules 3.0–3.5 mm (0.12–0.14 in) long at the base. The edges of the leaves are turned down or rolled under, the upper surface hairy at first, the lower surface felt-like and densely covered with star-shaped hairs. The heads of "flowers" are more or less sessile, 5–12 mm (0.20–0.47 in) in diameter and hairy, surrounded by 4 to 7 densely hairy floral leaves 4.0–7.3 mm (0.16–0.29 in) long and 2–4.3 mm (0.079–0.169 in) wide. Flowering occurs from September to November and the fruit is an oval capsule 1.7–2.0 mm (0.067–0.079 in) long. [2]

Taxonomy

This species was first formally described in 1889 by Ralph Tate who gave it the name Cryptandra scabrida in the Transactions, proceedings and report, Royal Society of South Australia . [3] [4] In 2012, Jürgen Kellermann and William Robert Barker changed the name to Spyridium scabridum in the Journal of the Adelaide Botanic Gardens . [5] The specific epithet (scabridum) means "somewhat scabrous". [6]

Distribution and habitat

Spyridium scabridum grows in heath and open mallee scrubland on Kangaroo Island, mainly in the interior of the island. [2]

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<i>Spyridium halmaturinum</i> Species of shrub

Spyridium halmaturinum, commonly known as Kangaroo Island spyridium, is a species of flowering plant in the family Rhamnaceae and is endemic to Kangaroo Island in South Australia. It is an erect, sticky shrub with densely softly-hairy young stems, leaves that are heart-shaped with the narrower end towards the base to broadly wedge-shaped or Y-shaped, and dense heads of white to cream-coloured flowers.

<i>Spyridium lawrencei</i> Species of shrub

Spyridium lawrencei, commonly known as small-leaf spyridium or small-leaf dustymiller, is a species of flowering plant in the family Rhamnaceae and is endemic to Tasmania. It is an erect, compact or straggling shrub with small, leathery, round to heart-shaped leaves, and dense heads of hairy, cream-coloured flowers.

Spyridium minutum is a species of flowering plant in the family Rhamnaceae and is endemic to the south of Western Australia. It is an erect or spreading shrub with broadly egg-shaped or heart-shaped leaves, and groups of two or three hairy, white flowers.

Spyridium mucronatum is a species of flowering plant in the family Rhamnaceae and is endemic to the south of Western Australia. It is an erect or spreading shrub usually with narrowly oblong leaves, and dense clusters of up to ten densely hairy, white to yellow flowers.

Spyridium nitidum, commonly known as shining spyridium, is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is an erect, spindly shrub with narrowly elliptic or narrowly egg-shaped leaves with the narrower end towards the base, and heads of hairy, woolly white flowers.

Cryptandra congesta is a flowering plant in the family Rhamnaceae and is endemic to a restricted area of the south-west of Western Australia. It is a low, spreading shrub with narrowly egg-shaped or narrowly oblong leaves and clusters of white, tube-shaped flowers.

Spyridium × ramosissimum, commonly known as branched spyridium, is a species of flowering plant in the family Rhamnaceae and is endemic to Victoria in Australia. It is a small shrub with woolly-hairy branches, egg-shaped leaves, and crowded heads of hairy flowers with brown bracts.

<i>Spyridium riparium</i> Species of shrub

Spyridium riparium is a species of flowering plant in the family Rhamnaceae and is endemic to the south of Western Australia. It is an erect shrub, usually with narrowly egg-shaped leaves, and clusters of densely hairy, white or cream-coloured flowers.

Cryptandra craigiae is a flowering plant in the family Rhamnaceae and is endemic to a restricted area of southern Western Australia. It is a shrub with linear leaves and dense clusters of white or cream-coloured, tube-shaped flowers.

<i>Spyridium spadiceum</i> Species of shrub

Spyridium spadiceum is a species of flowering plant in the family Rhamnaceae and is endemic to the south of Western Australia. It is an erect or semi-prostrate shrub with narrowly oblong to oval leaves and heads of hairy flowers with brown bracts at the base.

Cryptandra dielsii is a flowering plant in the family Rhamnaceae and is endemic to the south-west of Western Australia. It is a spreading shrub with linear to narrowly oblong leaves and dense clusters of white, hairy, tube-shaped flowers.

References

  1. 1 2 "Spyridium scabridum". Australian Plant Census. Retrieved 9 November 2022.
  2. 1 2 Kellerman, Jurgen; Barker, William R. (2012). "Revision of the Spyridium bifidum - S. halmaturinum complex (Rhamaceae: Pomaderreae) from South Australia and Victoria". Muelleria. 30 (1): 43–45. Retrieved 3 November 2022.
  3. ↑ "Cryptandra scabrida". Australian Plant Name Index. Retrieved 3 November 2022.
  4. ↑ Tate, Ralph (1889). "Definitions of four new species of Australian plants". Transactions, proceedings and report, Royal Society of South Australia. 12: 129. Retrieved 3 November 2022.
  5. ↑ "Spyridium scabridum". Australian Plant Name Index. Retrieved 3 November 2022.
  6. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 301. ISBN   9780958034180.
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