Dissotis simonis-jamesii Buscal. & Muschl.

Species

Angiosperms > Myrtales > Melastomataceae > Dissotis

Characteristics

Woody herb (? suffrutex) 0.6–1.5 m. high; branches 4-angled; branchlets lightly to densely silvery pilose, when dense, indumentum appearing somewhat cobwebby.. Leaf-lamina conduplicate and reflexed, lanceolate to lanceolate-ovate, 1–6 cm. long, 0.3–1–5 cm. wide, apex acute, base rounded, appressed silvery pilose or sometimes cobwebby on both surfaces; midrib and 2 pairs of longitudinal nerves lightly impressed above, faintly discernible beneath; petiole 0.5–2 mm. long or absent.. Inflorescence of solitary flowers at the apex of branches; flowers 5-merous, subsessile; bracts reddish, broadly ovate, up to 15 mm. long and 15 mm. wide, shortly sericeous.. Calyx-tube (fig. 11/5, p. 32) campanulate, 14 mm. long, 10 mm. in diameter, densely silvery sericeous, with simple hairs ± 7 mm. long on appressed linear appendages ± 1 mm. long; lobes tardily deciduous, oblong-ovate, 14 mm. long, 5 mm. wide, silvery sericeous except for the glabrous tip, margins ciliate; intersepalar appendages ovate, ± 2 mm. long, 1.5 mm. wide, coarsely pilose along the margins, the body sericeous.. Petals obovate, 45–50 mm. long, 40 mm. wide.. Stamens 10, markedly unequal; 5 large stamens with anthers 13–15 mm. long, free part of connective arcuate, 20–30 mm. long, bilobed appendage 1–3 mm. long, filament 15 mm. long; 5 short stamens with anthers 9–12 mm. long, connective produced 4 mm., bilobed appendage 0.5–1.5 mm. long, filament 15 mm. long.. Fruiting calyx with setose apex of capsule slightly exserted.
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Leaf-lamina 2–6 x 0·7–1·6 cm., ovate to ovate-lanceolate or elliptic, acute at the apex, contracted at the base, entire, folded along the midrib or rarely flat, arched and reflexed, rigid, concolorous, sometimes reddish, ± sericeous (hairs white, shining, very thin, long, straight, denser towards the lamina-base), longitudinally 5–7-nerved, the longitudinal nerves slightly raised beneath, the transverse nerves and reticulation inconspicuous on both faces; petiole ± absent to 4 mm. long, sericeous.
Flowers 5-merous, solitary at the apices of branches, surrounded by the uppermost rather broad leaves and by large, sub-circular, apiculate, ± scarious, purple or brown, caducous bracts sericeous outside; pedicels c. 3 mm. long.
Sepals ± 17 x 5 mm., linear-oblong or oblong, contracted at the base, somewhat acute, dorsally sericeous, late caducous; intersepalar segments c. 5 mm. long, spathulate, sericeous on both faces and tipped with long bristles.
Receptacle c. 12 x 10 mm., subhemispherical, densely sericeous, ths long thin white hairs inserted on oppressed ± flat appendages, successively longer from the base to the receptacle summit (here c. 3 mm. long).
Branches 4-gonous, very densely leafy towards the apex and ± sericeous with long very thin white hairs, leafless and glabrescent proximally; bark brownish or grey, ± fissured.
Longer stamens: anthers 13–16 mm. long; pedoconnective c. 19 mm. long with the basal appendage 3–5 mm. long.
Shorter stamens: anthers 11–13 mm. long, pedoconnective c. 4 mm. long, with basal appendage c. 3 mm. long.
Fructiferous receptacle c. 15 mm. in diameter, subspherical. Capsule c. 15 mm. in diameter, globose.
Petals 4–5 x 3–3·7 cm., bright magenta to purple.
Leaves opposite, subsessile to shortly petiolate.
A shrub or shrublet 0·5–2 m. tall.
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Growth form shrub
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Foliage retention deciduous
Sexuality hermaphrodite
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Mature height (meter) 2.8 - 1.75
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Cultivation

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Identifiers

LSID urn:lsid:ipni.org:names:568584-1
WFO ID wfo-0001082289
COL ID 7VJG6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dissotis degasparisiana Dissotis simonis-jamesii