Petradoria pumila (Nutt.) Greene

Rock goldenrod (en)

Species

Angiosperms > Asterales > Asteraceae > Petradoria

Characteristics

Stems 1–20+. Leaf blades 20–120 × 1–12 mm; cauline well developed, coriaceous, bases cuneate to attenuate, expanded laterally and abaxially, clasping, less so distally, apices acute to attenuate . Peduncles 1–5+ mm, glabrous or scabrous, resinous. Phyllaries mostly tan, 1–7 × 0.5–1+ mm, margins mostly entire, apices acute to attenuate (outer), obtuse to truncate, often mucronate (inner), a darker, thickened subapical gland often present. Ray florets 1–3, pistillate; corollas 4–8 mm, tubes 2–3.5 mm, laminae ± elliptic, 2.5–4.5 × 0.7–2.5 mm, lobes 0.5–1 mm; style branches 1–2 mm, linear-lanceolate, stigmatic lines extending around entire margin, appendages 0. Disc corollas 3.5-5.5 mm; style branches essentially lacking, stigmatic lines 0, appendages ± 1 mm, covered with collecting hairs. Cypselae of ray 4–5 mm; pappi 3.5–7 mm.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.03
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) 4-10

Usage

Uses dye medicinal
Edible -
Therapeutic use Analgesic (unspecified), Breast Treatment (unspecified), Gynecological Aid (unspecified), Dermatological Aid (unspecified), Cathartic (unspecified), Ceremonial Medicine (unspecified), Emetic (unspecified)
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

Petradoria pumila unspecified picture

Distribution

Petradoria pumila world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:191194-2
WFO ID wfo-0000079865
COL ID 4FDH9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Petradoria pumila Solidago petradoria Chrysoma pumila Aster pumilus Solidago pumila Petradoria pumila subsp. pumila Petradoria pumila var. pumila

Lower taxons

Petradoria pumila var. graminea