young shoot icon Home All plants About

Rastrophyllum Wild & G.V.Pope

Genus

Angiosperms > Asterales > Asteraceae

Characteristics

 Annual herbs; stems erect, leafy. Vegetative indument of mixed flagelliform hairs and smaller T-shaped hairs. Leaves alternate, pinnatilobed or pinnatisect, the lobes revolute. Capitula homogamous, many in corymbiform cymes; involucre subglobose to urceolate; phyllaries increasing in size upwards, slightly scarious, ± indurated proximally. Florets narrowly funnel-shaped, with 5 lobes; anthers with obtuse sagittate bases and shortly ovate-appendiculate apices; style branches subulate and hairy. Achenes oblong, truncate, without pappus.
More
Leaves alternate, sessile, or petiolate and broadly amplexicaul in R. apiifolium M.G. Gilbert, pinnatipartitely lobed or pinnatisect; lobes mostly simple, linear, irregular in length along a midrib, revolute (lobes oblong, deeply serrate-dentate in R. apiifolium).
Achenes shortly obovoid-oblong, rounded-truncate above with 4–6 low broad ribs separated by narrow grooves, surface densely beset with closely-spaced single-celled tuberculate trichomes.
Involucre subglobose-cupuliform (urceolate), phyllaries increasing in size to the inside, somewhat scarious or lower part ± indurated.
Vegetative indumentum consisting of erect flagelliform hairs, intermixed with smaller appressed ± T-shaped hairs on young growth.
Capitula homogamous discoid, numerous in corymbiform cymes, capitula stalks short or to 2.5 cm. in R. apiifolium.
Anther apices shortly ovate-appendiculate, bases obtuse-sagittate.
Corollas purple or mauve, narrowly funnel-shaped, limb 5-lobed.
Receptacle dentate-alveolate.
Stems erect, leafy, branched.
Style arms subulate, hairy.
Pappus absent.
Annual herbs.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
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) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Identifiers

LSID urn:lsid:ipni.org:names:10811-1
WFO ID wfo-4000032587
COL ID 779C
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Rastrophyllum

Lower taxons

Rastrophyllum apiifolium Rastrophyllum pinnatipartitum
WorldFloraDB 2024