D I S C O V E R    L I F E   
Bee Hunt! Odonata Lepidoptera 
  HomeAll Living ThingsIDnature guidesGlobal mapperAlbumsLabelsSearch
  AboutNewsEventsResearchEducationProjectsStudy sitesHelp


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

Life   Plantae   Dicotyledoneae   Malvaceae   Alcea

Links
80x5 - 240x3 - 240x4 - 320x1 - 320x2 - 320x3 - 640x1 - 640x2
Set display option above.
Click on images to enlarge.
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)

go to Discover Life's Facebook group

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.


Back


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

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Alcea+rosea&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Alcea+rosea&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Alcea+rosea&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-11-17 23:37:36 gmt
Discover Life | Top
© Designed by The Polistes Corporation