Sclerocarpus divaricatus Benth. & Hook.F. ex Hemsl.

Species

Angiosperms > Asterales > Asteraceae > Sclerocarpus

Characteristics

Erect, spreading herb to 1.5 m tall; branches slender, divaricate; roots short and fibrous. Leaves alternate or at the base opposite, to 9 cm long, ovate, apically acuminate or acute, basally rounded, obtuse or cuneate, the margins serrate, sometimes saliently so, 3-nerved from near the base, scabridulous with copious, stiff, ascending hairs; petiole slender, 5-30 mm long, an intrapetiolar ridge mostly present below. Inflorescences solitary heads on slender, to 6 cm long, apically tomentose peduncles. Heads radiate; involucral bracts 4-5, ovate, .foliaceous, mostly 6-11 mm long, apically obtuse, basally rounded, sessile, the margins entire, both sides grey-pubescent with ascending, appressed hairs; paleas slightly exceeding the ovary, enfolding the ovary and the edges connate to about halfway up, pilose, apically ca. 3-lobed, erose-pilose; ray florets several, the corollas yellow, ca. 20 mm long, the narrow, pilose tube forming 1,/ the length, the limb broadly ovate, apically 2-3-dentate, basally truncate, dorsally pubescent, ventrally uniform in color and texture, glabrous, the ovary sterile, pubescent, 2 mm long, pappus wanting; disc florets numerous, the corolla 13-14 mm long, the tube not differ-entiated, cylindrical but broadening slightly upwards, hispid, especially on the upper portion, the apical lobes 3 mm long, strigose, the ventral hairs below the expanded apex black, the apices yellow, thick, slightly expanded, dorsally white-strigose, ventrally verrucose, the anthers dark, the thecae 2 mm long, the append-ages narrowly lanceolate, 0.8 mm long, the bases obtuse or subauriculate, the style branches cylindrical, strigose, the style base expanded-globose, stipitate above the nectary, the ovary lenticular, glabrous, 1-1.5 mm long, dorsiventrally compressed, 2-nerved, the pappus wanting, the conical, glandular apex sur-mounted by a short cylindrical umbo and nectary, the carpopodium large. Fruit a globose-prismatic utricle, ca. 2 mm across, greenish or stamineous, the beak minute, apically tuberculate, sparingly white-pilose; achene reddish brown, faintly dark-striate, broadly turbinate, the base oblique; pappus wanting, the apex a hard, solid cylindrical peg, surmounted by a minute, cylindrical, disclike nectary; embryo broadly turbinate.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.88 - 0.98
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

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

Images

Habit

Sclerocarpus divaricatus habit picture by Hervé Goëau (cc-by-sa)

Leaf

Sclerocarpus divaricatus leaf picture by Zumbado Manuel (cc-by-sa)
Sclerocarpus divaricatus leaf picture by Naomi Velásquez (cc-by-sa)
Sclerocarpus divaricatus leaf picture by José Martí Rosales Rodríguez (cc-by-sa)

Flower

Sclerocarpus divaricatus flower picture by Zumbado Manuel (cc-by-sa)
Sclerocarpus divaricatus flower picture by Hervé Goëau (cc-by-sa)
Sclerocarpus divaricatus flower picture by Hervé Goëau (cc-by-sa)

Distribution

Sclerocarpus divaricatus world distribution map, present in Colombia, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, Panama, El Salvador, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:242973-1
WFO ID wfo-0000066189
COL ID 4VP94
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Sclerocarpus divaricatus Gymnopsis divaricata Sclerocarpus triunfonis Sclerocarpus orcuttii