Perityle cernua (Greene) Shinners

Organ mountain rockdaisy (en)

Species

Angiosperms > Asterales > Asteraceae > Perityle

Characteristics

Plants 3–12(–20) cm (closely appressed to rocks); glabrate or with transparent, multicellular hairs on petioles, peduncles, and phyllaries. Leaves: petioles 7–25 mm; blades ovate-reniform to ovate-cordate, 10–40 × 8–40 mm, margins unevenly serrate-dentate. Heads borne singly (nodding or erect), 10–12 × 12–14 mm. Peduncles 10–19 mm. Involucres broadly campanulate. Phyllaries 18–28, linear-lanceolate, 6–9 × 1.2–2 mm. Disc florets 20–150; corollas yellow, tubes 1.2–2 mm, throats narrowly funnelform, 2–3.3 mm, lobes 0.7–0.8 mm. Cypselae 2.1–3 mm; pappi of 25–35 bristles 0.5–1.5(–2) mm. 2n = 34 + 1 frag.
Life form perennial
Growth form
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.12
Root system -
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) -

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 -

Distribution

Perityle cernua world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:190422-2
WFO ID wfo-0000040113
COL ID 4F5T3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Perityle cernua Laphamia cernua Pappothrix cernua