Leptospermum

J. R. Forster & G. Forster

Char. Gen. Pl. ed. 2, 71, plate 36. 1776. name conserved

Common names: Tea tree
Etymology: Greek leptos, slender or small, and sperma, seed, alluding to form and size
Treatment appears in FNA Volume 10.
Revision as of 21:04, 7 June 2022 by imported>Volume Importer
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 TaxonIllustrator 
FNA10 P33 Eucalyptus grandis.jpgEucalyptus grandis
Leptospermum laevigatum
Melaleuca quinquenervia

Shrubs or small trees, glabrous or pubescent, hairs simple. Leaves alternate; blade venation parallelodromous, faint, often with visible midvein, sometimes also 2–4 veins arising from base, arching to apex. Inflorescences 1–3-flowered, axillary, flowers solitary or clustered. Flowers 5-merous, subsessile; hypanthium mostly widely cupshaped; calyx lobes distinct; petals white [pink or red]; stamens 15–35, about as long as perianth; ovary [2–] 6–12-locular; style equaling or shorter than stamens; ovules [6–] 15 [–28] per locule. Fruits capsules, brown or gray, obconic to broadly bowl-shaped, woody, opening apically. Seeds numerous, obovoid to irregular-linear, flattened, 1–2.5 mm; seed-coat reticulate or striate.

Distribution

Introduced; California, Australasia

Discussion

Species ca. 70 (1 in the flora).

Selected References

None.

... more about "Leptospermum"
dorsifixed +  and basifixed +
Elizabeth McClintock† +
J. R. Forster & G. Forster +
parallelodromous +
submembranous +, papery +  and leathery +
Tea tree +
California +  and Australasia +
Greek leptos, slender or small, and sperma, seed, alluding to form and size +
subsessile +  and 5-merous +
unisexual +  and bisexual +
gray +  and brown +
obconic +  and broadly bowl-shaped +
aromatic +
petiolate +  and simple +
persistent +
basal +, subapical +  and inferior +
coherent +, fused +  and distinct +
Char. Gen. Pl. ed. +
striate +  and reticulate +
bony +, hard +, leathery +  and membranous +
flattened +, obovoid +  and irregular-linear +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
pubescent +  and glabrous +
15 +  and 35 +
Leptospermum +
Myrtaceae +
pubescent +  and glabrous +
arching +  and arising +