Lygodesmia juncea D.Don ex Hooker.

Rush skeletonplant (en)

Species

Angiosperms > Asterales > Asteraceae > Lygodesmia

Characteristics

Perennials, 10–35(–70) cm (in bushy clumps); taproots deep, vertical, rhizomes branched, woody. Stems erect to ascending or decumbent, green, glaucous, much branched from bases and distally, strongly striate, glabrous (often bearing round galls). Leaves (basal not in rosettes, absent at flowering); proximal blades linear, 5–30(–60) × 1–2(–4) mm, margins entire, apices acute, faces glabrous; cauline reduced to subulate scales. Heads (1–50+) borne singly or in corymbiform arrays. Involucres cylindric, 10–16 × 4–6 mm, apices spreading. Calyculi of 8, ovate to linear bractlets 2–4 mm, margins erose-ciliate (faces glabrous). Phyllaries 5(–7), linear, 10–15 mm, margins scarious, apices acute or obtuse, not appendaged, faces glabrous . Florets usually 5; corollas usually light pink to lavender, rarely white, 18–20 mm, ligules 3–4 mm wide. Cypselae 6–10 mm, weakly striate, glabrous ; pappi 6–9 mm. 2n = 18.
More
Glabrous colonial perennial from deep-seated creeping roots; stem 1.5–6 dm, grooved-striate, much branched; lvs all alternate, linear, to 4 cm × 3 mm, the upper reduced to subulate scales; heads terminating the branches; invol 10–16 mm, with 4–8 (chiefly 5) principal bracts; fls (4)5(–10), the ligule pink (white), spreading, mostly 10–12 × 4 mm; achenes columnar, several-nerved; 2n=18. Prairies and other dry, open places, often in sandy soil; Minn. to Ark., w. to Man., B.C., and Ariz. June–Sept.
A herb.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system creeping-root rhizome tap-root
Rooting depth (meter) 3.7
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant.
Light 7-9
Soil humidity 4-6
Soil texture 3-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-9

Usage

The roots are left in the sun until the gum is released and hardened and then chewed.
Uses gum medicinal oil
Edible flowers roots seeds stems
Therapeutic use Misc. Disease Remedy (leaf), Cough Medicine (unspecified), Dermatological Aid (unspecified), Diuretic (unspecified), Gastrointestinal Aid (unspecified), Gynecological Aid (unspecified), Kidney Aid (unspecified), Orthopedic Aid (unspecified), Pediatric Aid (unspecified), Tonic (unspecified), Veterinary Aid (unspecified), Breast Treatment (unspecified), Psychological Aid (unspecified), Antirheumatic (External) (unspecified), Antidiarrheal (unspecified), Eye Medicine (unspecified), Eye (unspecified), Lactogogue (unspecified), Masticatory (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

Lygodesmia juncea unspecified picture

Distribution

Lygodesmia juncea world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:231357-1
WFO ID wfo-0000041463
COL ID 3WQ5T
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Prenanthes juncea Lygodesmia juncea Lygodesmia juncea Lygodesmia juncea var. juncea