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Alcea rosea L.
HOLLYHOCK
Alcea ficifolia L; Althaea rosea (L) Cav; Althaea rosea

Life   Plantae   Dicotyledoneae   Malvaceae   Alcea

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Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea

Alcea rosea
© Copyright Malcolm Storey 2011-2117 · 3
Alcea rosea
Alcea rosea, flower
© Kay Yatskievych, 2003 · 1
Alcea rosea, flower

Associates · map
FamilyScientific name @ source (records)
Aphididae  Aphis ( @ NCSU_ENT (1)

Macrosiphum ( @ AMNH_PBI (1)

Myzus ( @ AMNH_PBI (1)

Uroleucon ( @ NCSU (35)
Apidae  Bombus perplexus @ AMNH_BEE (2)

Diadasia nitidifrons @ BBSL (3)

Xylocopa californica @ BBSL (2)
Cicadellidae  Empoasca fabae @ III (2)
Megachilidae  Anthidiellum robertsoni @ BBSL (1)

Megachile centuncularis @ AMNH_BEE (3)

Megachile latimanus @ AMNH_BEE (1)
Pseudococcidae  Spilococcus pressus @ CSCA_TCN (6)
Pucciniaceae  Puccinia altheae @ BPI (1)

Puccinia malvacearum @ BPI (12)

Puccinia platyspora @ BPI (1)
_  Aulacorthum( @ NCSU_ENT (1)

Scolicotrichum bonordenii @ BPI (1)

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Following modified from MissouriPlants.com
   Top | See original


Althea rosea  Cav. - Hollyhock

Althea rosea plant

Family - Malvaceae

Stems - To 3m tall, erect, herbaceous, stout, typically simple, from taproot, ribbed, glabrous to densely stellate pubescent.

Althea rosea stem

Leaves - Alternate, petiolate. Petioles to +15cm long, scabrous, stellate pubescent. Blades to +20cm broad and long, shallow 3-5-lobed, crenate, rugose and stellate pubescent above, much more pubescent below, venation prominent below.

Althea rosea leaf Front of pressed leaf.

Althea rosea leaf Back of pressed leaf.

Inflorescence - Terminal raceme to +50cm long(tall). Flowers each subtended by serrate stipules. Teeth of stipules with forked ciliate margins, acute. Pedicel to +1cm long, densely stellate pubescent. Involucre subtending the calyx densely stellate pubescent externally, glabrous internally, not exceeding the calyx. Each bract of involucre with 6-7 teeth.

Flowers - Corolla typically deep rose or wine colored, yellowish at base, to +/- 10cm broad. Petals 5, joined at base to stamen column, glabrous except for marginal floccose hairs at base internally. Stamens many, combined into a column with anthers at the apex. Free portion of filaments whitish, glabrous, 2-3mm long. Styles united basally for about 1/2 their length, exceeding the staminal column, glabrous. Ovary of +/-50 carpels, 5-sided in cross section. Calyx 5-lobed, densely stellate pubescent externally, glabrous internally. Lobes acute, +/-2cm long.

Althea rosea calyx Calyx.

Althea rosea flower

Althea rosea flower

Flowering - May - September.

Habitat - Cultivated, rarely escaping to waste ground and disturbed sites.

Origin - Native to Europe.

Other info. - This species is easy to grow and very popular in cultivation in Missouri. The corolla, while typically a pinkish-rose color, may be anywhere from whitish to deep purple.
The carpels of plants in this family are typically situated in a ring like fashion and are in multiples of 5. There is usually one seed (ovule) per carpel.

Photographs taken in in Van Buren, MO., 6-15-04.


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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=ALRO3 ---> https://plants.usda.gov/java/profile?symbol=ALRO3
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=ALRO3

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 33
Query: SELECT * FROM img WHERE ready=1 and taxon like "Alcea rosea%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Alcea rosea
Alcea rosea
Hollyhock
ID: 1335 3153 0668 0114 [detail]
Sherry Ballard
© 2002 California Academy of Sciences

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0212 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0214 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0215 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0216 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0248 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0605 0249 [detail]
© 2005 Luigi Rignanese

Alcea rosea
Alcea rosea
ID: 0000 0000 0306 1584 [detail]
© 2006 Louis-M. Landry

Alcea rosea
Alcea rosea
ID: 0000 0000 0306 1585 [detail]
© 2006 Louis-M. Landry

Alcea rosea
Alcea rosea
ID: 0000 0000 0506 1074 [detail]
© 2006 Louis-M. Landry

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2713 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2714 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2715 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2716 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2717 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2718 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2719 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
Hollyhock
ID: 0000 0000 0911 2721 [detail]
2011 Nick Kurzenko

Alcea rosea
Alcea rosea
ID: 0000 0000 0912 0671 [detail]
© 2012 Zoya Akulova

Alcea rosea
Alcea rosea
ID: 0000 0000 1012 1313 [detail]
© 2012 Zoya Akulova

Alcea rosea
Alcea rosea
ID: 0000 0000 1012 1314 [detail]
© 2012 Zoya Akulova

Alcea rosea
Alcea rosea
ID: 0000 0000 1012 1402 [detail]
© 2012 Zoya Akulova

Alcea rosea
Alcea rosea
ID: 0000 0000 1112 0674 [detail]
© 2012 Zoya Akulova

Alcea rosea
Alcea rosea
ID: 0000 0000 1112 0670 [detail]
© 2012 Zoya Akulova

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2017-09-24 01:45:28 gmt
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