Doellingeria umbellata (Mill.) Nees
The words or terms in red
(actually dark orange) in the text are defined in a
Doellingeria umbellata is an erect
perennial forb native of North America.
It was usually formerly known as Aster umbellatus.
There are two varieties of this species:
The plant belongs to the Asteraceae
- Doellingeria umbellata var. pubens (A. Gray) Britton,
that one find in the northern central states of the USA:
North Dakota, South Dakota, Nebraska, Minnesota, Iowa, Missouri, Wisconsin,
Illinois and Michigan plus Virginia.
- Doellingeria umbellata var. umbellata (Mill.) Nees,
(Aster umbellatus), that one finds in eastern North America,
In Greek, αστηρ (aster)
means star, and the genus name
refers then to the shape of the flower head.
In Latin, umbella means parasol;
refers then to the cluster of flower heads.
As of the Doellingeria genus name,
I have no idea of its origin, Doellinger might be the name of the
botanist that name the genus ?
Some of the vernacular names of
Doellingeria umbellata are:
Flat-top Aster, Parasol Aster, Tall Flat-topped White Aster
Hairy Flat-top Aster and Umbellate Aster.
(In French the vernacular name is Aster à ombelles, the translation of
Doellingeria umbellata var. umbellata has also been known as:
- Aster amygdalinus L.
- Aster umbellatus Mill.
- Aster umbellatus Mill. forma discoideus Vict.
- Aster umbellatus Mill. forma intercedens Fernald
- Chrysopsis amygdalina (L.) DC.
- Diplopappus amygdalinus (L.) Hook.
- Diplostephium amygdalinum (L.) Cass.
- Doellingeria amygdalina (L.) Nees
- Doellingeria umbellata (Mill.) Nees
forma intercedens (Fernald) Moldenke
The distinctive features of Doellingeria umbellata are its :
Eurybia macrophylla (Aster macrophyllus) is a bit similar,
but the leaves of Eurybia are much larger.
- Flat-topped flower cluster of white flowers heads.
- Vein pattern on the leaves is quite distinctive.
is one of the first Asters to bloom in the summer.
It is a species of wetland edges and moist woodlands.
- 2 to 7 feet high.
- Rigid, upright.
- Elliptical to
lanceolate with obvious veins
(a pinnate venation).
- From 3 to 6 inches long.
- Tapering at each end.
- With a short petiole
or without petiole.
- Smooth when rubbed in one direction, rough the other way.
- Toothless, rough-margined.
- Usually arranged in a flat-topped cluster
that can reach from 5 to 10 inches, but, at times the plant has a
dome-shaped flower cluster.
- Around 1/2 to 3/4 inch across.
- With 5 to 15 white ray florets,
at times tinged with purple, tending curve downward or backwards.
- With 10 to 40 yellow disk florets
becoming brown or purple or grey at maturity.
- Phyllaries in several rows.
- In bloom from the end of July to the beginning of October in my area,
25 km north of Montréal.
- Achenes around 3 mm long and
0,5 mm wide.
- With a light yellowish pappus,
around 6 mm long.
Doellingeria umbellata is found in moist woods, thickets and swamps,
fens, in moist sunny areas, on lake edges, and other wetland edges.
Doellingeria umbellata is found in Canada: from Nova-Scotia to Alberta.
and in most of the eastern half of the USA. The map shows the Canadian
provinces and USA states where the plant may be found.
The photos of the gallery were taken either with one of the following:
The title in the window shows the date when the picture was taken,
i.e. jan_30_06... would mean that the photo was taken on the 30th of
January, the 06 is for the 6th picture taken that day.
- Fuji Mx 700.
- Minolta DiMAGE 7.
- Nikon 2200.
- EPSON Perfection 1650 scanner.
The month, day and picture number might be followed by a letter:
and if there is no letter it's obviously the Minolta.
- f for the Fuji.
- n for the Nikon.
- s for the EPSON scanner.
Click on the thumbnails to get larger view.
The original photos are usually in TIFF format,
the photos shown are generally in JPEG format,
usually of dimension one half (surface one quarter)
for loading time reduction.
The red flowers on the picture at left are
Lythrum salicaria (Lythraceae).
The red flowers on the picture at right are
Polygala sanguinea (Polygalaceae).
Leaves and phyllaries
The picture on the left is a scan at 300 dpi.
Flowers and seeds