Parathesis microcalyx Donn.Sm.

Species

Angiosperms > Ericales > Primulaceae > Parathesis

Characteristics

Shrubs or small trees, the twigs slender, covered with minute reddish and closely appressed tomentum. Leaves small, slender-petiolate, the petioles to 2 cm long, canaliculate, with fine appressed stellate tomentum beneath, glabrous above; leaf blades oblanceolate or oblanceolate-oblong, 7.5-11 cm long and 2.6-4 cm wide, acuminate basally, subabruptly acuminate apically, thin, paler beneath, essentially entire, pellucid-punctate with short horizontal linear glands, glabrous above, with fine stellate reddish tomentum on the lower surface in a narrow costal zone, the lateral veins fine on both surfaces. Inflorescences terminal, shorter than the leaves, pyramidal, slender-branched, to 7 cm long, covered with minute reddish closely-appressed tomentum. Flowers few, sub-corymbose, borne on slender finely reddish-tomentose pedicels 1.5-4 mm long; buds ovoid, ca. 3 mm long, the tomentum fine, reddish; calyx finely reddish-tomentose, black-punctate, the sepals ca. 1 mm long, connate basally; petals linear-punctate, narrowly triangular, ca. 3 mm long, connate basally, papillose-tomentose within along the edges and apically; stamens ca. 1.75 mm long,
More
the filaments glabrous, subequaling the anthers, the anthers erect, ovate, densely black-punctate dorsally, dorsifixed ca. ? above base; ovary ovoid, black-punctate, covered with minute reddish tomentum, the ovules 5-7, uniseriate, the style slender, 2.5-3 mm long, sparsely hairy. Fruit blackish-purple at maturity, in dense clusters, subglobose, drying 4-6 mm in diameter.
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Growth form shrub
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Foliage retention evergreen
Sexuality hermaphrodite
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Environment

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Hardiness (USDA) 9-12

Usage

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Cultivation

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Distribution

Parathesis microcalyx world distribution map, present in Colombia, Costa Rica, Ecuador, Honduras, Mexico, Nicaragua, and Panama

Conservation status

Parathesis microcalyx threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:183100-2
WFO ID wfo-0000476157
COL ID 4DFHQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Parathesis microcalyx