WorldFloraDB - Clematis addisonii

Characteristics

Stems usually ascending to erect, occasionally somewhat viny, 0.6-1 m, glabrous. Leaves all simple, blade often 1-pinnate on distal and middle leaves on vigorous plants 4-13 × 2-9.5 cm; leaflets 2-6 plus additional tendril-like terminal leaflet, ovate, unlobed, 1.5-6 × 1-4.5 cm, not prominently reticulate; surfaces abaxially glabrous and glaucous. Inflorescences terminal and axillary, flowers solitary. Flowers ovoid to broadly urn-shaped; sepals purple or reddish purple, whitish toward tips, ovate-lanceolate, 1.2-2.5 cm, margins not expanded, thick, not crispate, tomentose, tips acute, spreading, abaxially glabrous. Achenes: bodies puberulent; beak 2.5-3.5 cm, plumose. 2 n = 16.

More

Stem at first erect, but often soon becoming procumbent or scrambling, to 1 m long; herbage glabrous and glaucous; lvs thin, not strongly reticulate; the simple ones broadly ovate, subsessile, obtuse and mucronate, the compound ones (when present) appearing later, especially on the branches, with 2(3) pairs of round-ovate lfls, the lowest pair much exceeding the upper; cal urceolate; sep narrowly ovate, 1.5–2.5 cm, glabrous on the back, tomentose on the margins distally; mature style 2.5–3.5 cm, strongly plumose; 2n=16. Dry limestone hills; w. Va. Apr.–June, July.

Life form

perennial

Growth form

herb

Growth support

climber

Foliage retention

evergreen

Sexuality

-

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.6 - 1.0

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

-

Environment

Light
Soil humidity
Soil texture
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)	-

Usage

Uses	-
Edible	-
Therapeutic use	-
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	30 - 270
Germination temperacture (C°)	21 - 23
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Images

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:60271-2
WFO ID	wfo-0000609436
COL ID	VXS5
BDTFX ID	-
INPN ID	-
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Clematis viornoides Clematis addisonii Coriflora addisonii Viorna addisonii

WorldFloraDB 2024

Clematis addisonii Vail

Addison's leather flower (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Clematis