Overview

Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan.
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introduced; Conn., Del., Ky., Md., Mass., Mich., N.J., N.Y., N.C., Ohio, Pa., R.I., Vt., Va., W.Va., expected elsewhere; China; cultivated worldwide.
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Physical Description

Morphology

Description

Plants green, glabrous. Rhizome 0.3--1 cm thick, stout. Petiole 6--30 cm; leaf blade ovate-cordate, -orbicular, or ovate, 4--19 × 4--17 cm, glabrous, veins in 7--11 pairs, base subcordate or subtruncate, very rarely slightly cuneate, apex abruptly acute or nearly shortly caudate. Scape 60--100 cm. Raceme 10--30-flowered; bracts 1 subtending each flower, white, oblong-lanceolate, 1--2 cm, membranous. Flowers solitary, not fragrant; pedicel 7--10 mm. Perianth purple-red, funnelform, 4--6 cm. Stamens slightly longer than perianth, exserted; filaments free. Capsule cylindric, 2.5--4.5 cm × 6--7 mm, 3-angled. Fl. and fr. Jun--Sep. 2 n = 60*, ca. 102*.
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Description

Plants forming clumps 80–90 × 50 cm; rhizomes compact. Leaves: petiole spreading horizontally, light green with purple streaks at base, deeply grooved, 18–25 cm; blade lustrous dark green, broadly ovate to cordate, 20–30 × 15–20 cm, apex acuminate; veins in 7–9 lateral pairs. Scape 80–95 cm. Inflorescences: racemes stiffly erect, flushed red at base, 20–30-flowered, to 1 m; floral bracts broad, pale green, white at base; sterile bract 1, leafy, occurring at midpoint. Flowers 4–5.5 cm, not fragrant; perianth urceolate-cylindric; tepals bluish purple, lobes not recurved; anthers spotted purple. Capsules short, triangular, stubby, apex blunt. 2n = 120.
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Diagnostic Description

Synonym

Bryocles ventricosa Salisbury, Trans. Hort. Soc. London 1: 335. 1812.
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Synonym

Bryocles ventricosa Salisbury, Trans. Hort. Soc. London 1: 335. 1812; Niobe caerulea (Andrews) Nash
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Ecology

Habitat

Disturbed open areas; 0--500m.
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* Forests, grassy slopes, hillsides; 500--2400 m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering summer (July).
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Notes

Comments

Hosta ventricosa, a natural tetraploid, undergoes pseudogamous apomixis and therefore breeds true, but is of no use as a seed parent in hybridizing. It can, however, act as a pollen parent. Like H. plantaginea, this species was an early introduction from China.
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Comments

Widely cultivated as an ornamental.
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