Dichaetanthera erici-rosenii (R.E.Fr.) A.Fern. & R.Fern.

Species

Angiosperms > Myrtales > Melastomataceae > Dichaetanthera

Characteristics

Tree up to 4.5(–8 in Zambia) m. high, flowering before the leaves; bark corky; branches 4-angled; internodes of young branches strigose; nodes swollen, long-setose.. Leaf-lamina broadly ovate, up to 8.5 cm. long and 7 cm. wide, apex subacute, base obtuse to cordate, strigose above, more densely so on the nerves beneath; midrib and 2 pairs of basal longitudinal nerves impressed above, prominent beneath.. Inflorescence a lax terminal panicle, ± 30-flowered; axis strigose; pedicels 3–5 mm. long, strigose.. Calyx-tube cupular, 9 mm. long, 7 mm. in diameter, strigose; lobes ovate, 5 mm. long, lightly strigose.. Petals oblong-trapeziform, 30 mm. long, 22 mm. wide, deep pink.. Stamens with antipetalous ones somewhat smaller; anthers linear-subulate 10 and 12 mm. long; connectives produced 4–6 and 14–20 mm. long; anterior appendages 3 mm. long; filaments 12 and 15 mm. long.. Ovary with a dense apical crown of setae.. Fruiting calyx accrescent, 10 mm. long, 9 mm. in diameter; capsule scarcely exserted.. Fig. 5.
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Leaf-lamina 5–10 x 2·7–7 cm., ovate, acute at the apex, contracted at the base, entire, coriaceous, light green and setose above (bristles white or pale yellow), paler and setose mainly on the nerves beneath, longitudinally 5-nerved, the longitudinal nerves impressed above, raised beneath, the very numerous transverse ones prominent on the under face, inconspicuous on the upper one; petiole setose.
A much-branched deciduous tree up to 7·5 m. tall; trunk stout with rough yellowish longitudinally fissured bark; crown rounded; branchlets very short, densely leafy, appressed-or subpatently-setose; old branches subterete, striate or rugose, pale to dark grey, glabrescent; nodes rather thickened, covered with long stiff brownish or yellowish bristles.
Panicles 7–13 x 9–13 cm., many-flowered, with the axis, the divaricate branches and the 3–5 mm. long pedicels purple, densely fulvous-setose; bracts 4–5 mm. long, ovate-lanceolate, acute, shortly setose on the back, early caducous.
Fructiferous receptacle 8–9 x 7–8 mm., campanulate, with a sinuous ridge all around at 1/2–2/3 from the base. Capsule c. 12 mm. high, longer than the receptacle, ellipsoid, acute, appressed-setose on the upper half.
Sepals 4–6 x 4–5 mm., triangular-ovate or oblong-semicircular, roundish at the top, bright purple, shortly setose on the back, ciliate at margin.
Receptacle 7–8 x 5–6 mm., cylindric-campanulate, densely setose, the bristles short, subulate, arched-ascending.
Long stamens: anthers 11–12 mm. long; pedoconnective 12–17 mm. long with the basal appendages 4–5 mm. long.
Short stamens: anthers 8–9 mm. long; pedoconnective 3–4 mm. long with appendages c. 3 mm. long.
Petals 1·7–2·2 x 1·2–1·9 cm., obovate, deep pink.
Life form -
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 2.51
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Photosynthetic pathway c3

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Usage

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Cultivation

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Distribution

Dichaetanthera erici-rosenii world distribution map, present in Tanzania, United Republic of and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:568209-1
WFO ID wfo-0001082276
COL ID 35K4G
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dissotis erici-rosenii Dichaetanthera erici-rosenii