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Blackstonia perfoliata (L.) Huds.

Chlore perfoliée (fr), Chlorette (fr), Blackstonie perfoliée (fr)

Species

Angiosperms > Gentianales > Gentianaceae > Blackstonia

Characteristics

Stems 15-55 cm tall, somewhat angular above, simple or branched in upper part. Lvs 7.5-25 × 4-15 mm, ovate or oblong-ovate, glaucous; base of cauline lvs broad and cordate; apex acute. Cymes loose, few-to many-flowered. Pedicels slender, to c. 4 cm long, sometimes a few fls almost sessile. Calyx 8-12 mm long, lobed nearly to base; lobes acuminate. Corolla 10-15 mm long, bright yellow; lobes 6-9, lanceolate-oblong, patent, closing at night. Stamens as many as corolla lobes; anthers narrow-linear, = filaments. Stigmatic lobes erect at anthesis, later spreading. Capsule c. 1 cm long, ellipsoid. Seeds numerous, < 0.5 mm long, reticulate.
More
Herb with slender taproot. Stem erect, 15–45 cm high. Basal leaves forming rosette, sessile, free, obovate, 1–2 cm long, obtuse. Stem leaves sessile, connate in pairs, ovate-deltoid, to 30 mm long, 25 mm wide. Inflorescence a rather open dichasial cyme; pedicels 5–25 mm long. Flowers 6–8-merous, 10–15 mm diam.; calyx lobes 8 mm long. Corolla yellow; tube c. 4 mm long; lobes c. 8 mm long. Style c. 2 mm long; stigmas deeply bilobed. Capsule c. 7 mm long. Seeds c. 0.6 mm long, 0.4 mm wide, reticulate, black.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination autogamy
Spread barochory
Mature width (meter) -
Mature height (meter) 0.18 - 0.45
Root system tap-root
Rooting depth (meter) 0.03
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Calcareous grassland and on dunes.
Light 7-9
Soil humidity 4-8
Soil texture 3-6
Soil acidity 4-9
Soil nutriment -
Hardiness (USDA) 8-11

Usage

Uses dye medicinal
Edible -
Therapeutic use Cancer (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Blackstonia perfoliata habit picture by Miguel Angel Rodenas (cc-by-sa)
Blackstonia perfoliata habit picture by Alizée Jung (cc-by-sa)
Blackstonia perfoliata habit picture by Miguel Ángel (cc-by-sa)

Leaf

Blackstonia perfoliata leaf picture by Emanuele Santarelli (cc-by-sa)
Blackstonia perfoliata leaf picture by Georges Olioso (cc-by-sa)
Blackstonia perfoliata leaf picture by Gilles (cc-by-sa)

Flower

Blackstonia perfoliata flower picture by Crispi Escursell (cc-by-sa)
Blackstonia perfoliata flower picture by Koos Oldejans (cc-by-sa)
Blackstonia perfoliata flower picture by R-C R-C Gaudino (cc-by-sa)

Fruit

Blackstonia perfoliata fruit picture by helene caze (cc-by-sa)
Blackstonia perfoliata fruit picture by Philippe Bissières (cc-by-sa)
Blackstonia perfoliata fruit picture by Yoan MARTIN (cc-by-sa)

Distribution

Blackstonia perfoliata world distribution map, present in Australia, France, and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:366508-1
WFO ID wfo-0000566247
COL ID LYSY
BDTFX ID 9876
INPN ID 86087
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pleurimaria perfoliata Pleurimaria mascariensis Seguiera perfoliata Chlora mascariensis Chlora perfoliata Chlora sicula Gentiana perfoliata Chironia perfoliata Centaurium perfoliatum Blackstonia perfoliata var. ponsii Chlora perfoliata var. acuminata Chlora perfoliata var. sessilifolia Blackstonia perfoliata

Lower taxons

Blackstonia perfoliata subsp. intermedia
WorldFloraDB 2024