Leptospermum macrocarpum

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Leptospermum macrocarpum
Leptospermum macrocarpum 02.jpg
In the Cologne Botanic Garden
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Leptospermum
Species:
L. macrocarpum
Binomial name
Leptospermum macrocarpum
Synonyms [1]

Leptospermum lanigerum var. macrocarpum Maiden & Betche

Contents

Leptospermum macrocarpum is a species of shrub that is endemic to the Blue Mountains in New South Wales. It has thin, hard, sometimes gnarled bark on the older stems, broadly elliptical leaves, relatively large white, pink or dark red flowers and large fruit.

Description

Leptospermum macrocarpum is a shrub that typically grows to a height of 2 m (6 ft 7 in) and has thin, rough, sometimes gnarled bark and young stems that are hairy at first. Its leaves are broadly elliptical, mostly 10–20 mm (0.39–0.79 in) long and 5–10 mm (0.20–0.39 in) wide on a short but distinct petiole. The flowers are greenish white, pink or dark red, 15–30 mm (0.59–1.18 in) wide and arranged singly on short side shoots. There are large, broad, reddish brown bracts at the base of the flower buds but these are shed before the flower opens. The floral cup is 4–8 mm (0.16–0.31 in) long, covered with long silky hairs, the sepals broadly egg-shaped to round, 7–8 mm (0.28–0.31 in) long, the petals 4–8 mm (0.16–0.31 in) long and the stamens 6–9 mm (0.24–0.35 in) long. Flowering occurs from October to December and the fruit is a woody capsule 15–20 mm (0.59–0.79 in) wide that is not shed when mature. [2] [3] [4]

Taxonomy and naming

This tea-tree was first formally described in 1898 by Joseph Maiden and Betche who gave it the name Leptospermum lanigerum var. macrocarpum and published the description in the Linnean Society of New South Wales from specimens collected by Jesse Gregson on Mt Tomah in 1897. [5] [6] [7] In 1989, Joy Thompson raised the variety to species status as Leptospermum macrocarpum. [3] [8] The specific epithet (macrocarpum) is derived from the ancient Greek words makros (μακρός), meaning 'long', and karpos (καρπός), meaning 'fruit'. [9]

Distribution and habitat

Leptospermum macrocarpum grows in heath or forest on exposed sandstone in the Blue Mountains. [2] [3]

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<i>Leptospermum multicaule</i> Australian species of plant

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<i>Leptospermum myrtifolium</i> Australian species of plant

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<i>Leptospermum novae-angliae</i> species of plant

Leptospermum novae-angliae is a species of shrub that is endemic to eastern Australia. It has elliptical leaves that are usually crowded, single white flowers on short shoots and fruit that remain on the plant until it dies. It usually grows in rocky places.

References

  1. 1 2 "Leptospermum macrocarpum". Australian Plant Census. Retrieved 18 April 2020.
  2. 1 2 "Leptospermum macrocarpum". Royal Botanic Garden Sydney. Retrieved 18 April 2020.
  3. 1 2 3 Thompson, Joy (1989). "A revision of the genus Leptospermum (Myrtaceae)". Telopea. 3 (3): 432–433.
  4. ↑ "Leptospermum macrocarpum". Australian Native Plants Society (Australia). Retrieved 18 April 2020.
  5. ↑ "Leptospermum lanigerum var. macrocarpum". APNI. Retrieved 18 April 2020.
  6. ↑ Maiden, Joseph; Betche, Ernst (1898). "Notes from the Botanic Gardens, Sydney". Proceedings of the Linnean Society of New South Wales. 23 (1): 12. Retrieved 18 April 2020.
  7. ↑ "Gregson, Jesse (1837–1919)". Australian National Botanic Gardens. Retrieved 18 April 2020.
  8. ↑ "Leptospermum macrocarpum". APNI. Retrieved 18 April 2020.
  9. ↑ Backer, C.A. (1936). Verklarend woordenboek der wetenschappelijke namen van de in Nederland en Nederlandsch-Indië in het wild groeiende en in tuinen en parken gekweekte varens en hoogere planten (Edition Nicoline van der Sijs).
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