Pachypodium rosulatum f. cristata

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Pachypodium rosulatum f. cristata hort.

Family: APOCYNACEAE

Accepted Scientific Name: Pachypodium rosulatum Baker
J. Bot. 20: 219. 1882

Pachypodium rosulatum f. cristata Photo by: Valentino Vallicelli
The crests of Pachypodium rosulatum are rare and hard to find in cultivation because they need a sophisticated grafting technique. To do this work (since this kind of crest are very thin, sometime only 1 or 2 mm) it is required a high degree of skill and a quiet hand!

Origin and Habitat: Garden origin (Nursery produced cultivar)

Synonyms:

Pachypodium rosulatum f. cristata hort.

See all synonyms of Pachypodium rosulatum

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Accepted name in llifle Database:
Pachypodium rosulatum Baker
J. Bot. 20: 219. 1882
Synonymy: 9

Pachypodium rosulatum Baker
Pachypodium rosulatum f. cristata hort.
Pachypodium rosulatum var. delphinense H.Perrier
Pachypodium rosulatum var. drakei (Costantin & Bois) Markgr.

Pachypodium drakei Costantin & Bois

Pachypodium rosulatum subs. gracilius (H.Perrier) Lüthy

Pachypodium gracilius Rapan.
Pachypodium rosulatum var. gracilius H.Perrier

Pachypodium rosulatum var. stenanthum Costantin & Bois

Accepted name in llifle Database:
Pachypodium rosulatum subs. bemarahense Lüthy & Lavranos
Cact. Succ. J. (Los Angeles) 76(6): 293. 2004 [30 Nov 2004]

Accepted name in llifle Database:
Pachypodium rosulatum subs. bicolor (Lavranos & Rapan.) Lüthy
Bradleya 22: 91. 2004 [28 May 2004]
Synonymy: 2

Pachypodium rosulatum subs. bicolor (Lavranos & Rapan.) Lüthy

Pachypodium bicolor Lavranos & Rapan.

Accepted name in llifle Database:
Pachypodium rosulatum subs. cactipes (K.Schum.) Lüthy
Bradleya 22: 91. 2004 [28 May 2004]
Synonymy: 2

Pachypodium rosulatum subs. cactipes (K.Schum.) Lüthy

Pachypodium cactipes K.Schum.

Accepted name in llifle Database:
Pachypodium rosulatum subs. gracilius f. cristatum
Synonymy: 2

Pachypodium rosulatum subs. gracilius f. cristatum

Pachypodium gracilius f. cristatum

Accepted name in llifle Database:
Pachypodium rosulatum var. inopinatum (Lavranos) G.D.Rowley
Bradleya 16: 107 (1998)
Synonymy: 2

Pachypodium rosulatum var. inopinatum (Lavranos) G.D.Rowley

Pachypodium inopinatum Lavranos

Accepted name in llifle Database:
Pachypodium rosulatum subs. makayense (Lavranos) Lüthy
Bradleya 22: 91. 2004 [28 May 2004]
Synonymy: 2

Pachypodium rosulatum subs. makayense (Lavranos) Lüthy

Pachypodium makayense Lavranos

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Description: P. rosulatum forma cristata is a very rare and nice succulent with a thin crested trunk. The purplish-gray stem will form a convoluted fan-shaped cluster. The comb-shaped foliage is arranged only at the top of the trunk .

Subspecies, varieties, forms and cultivars of plants belonging to the Pachypodium rosulatum group

Pachypodium rosulatum Baker: has a bottle-shaped trunk with stout heavily thorned stems. Leaves broad. Flowers vivid yellow in clusters on long peduncles, corolla tube cylindrical, to 15 mm long. Distribution: central plateau of Madagascar.
Pachypodium rosulatum subs. bemarahense Lüthy & Lavranos
Pachypodium rosulatum subs. bicolor (Lavranos & Rapan.) Lüthy: up to 40 cm tall and 50 cm in diameter. Leaves glabrous. Corolla yellow with a white ring around the tube. Distribution: Tsiribihina river, Madagascar.
Pachypodium rosulatum subs. cactipes (K.Schum.) Lüthy: has rich green glossy foliage, showy yellow flowers. Distribution: It is the southerly form of the Pachypodium rosulatum complex.
Pachypodium rosulatum f. cristata hort.
Pachypodium rosulatum var. delphinense H.Perrier
Pachypodium rosulatum var. drakei (Costantin & Bois) Markgr.
Pachypodium rosulatum subs. gracilius (H.Perrier) Lüthy: is a smaller form to 40 cm in diameter with fewer and slimmer branches and narrower red-brown spines. Leaves narrow. Distribution: Madagascar on Isalo mountains .
Pachypodium rosulatum subs. gracilius f. cristatum
Pachypodium rosulatum var. inopinatum (Lavranos) G.D.Rowley: has caudexes up to 35 cm in diameter. Spines acicular. Leaves narrowly ovate. Peduncle long with 2-5 flowers. Corolla ivory with a tube 10-12 mm long. Distribution: Madagascar.
Pachypodium rosulatum subs. makayense (Lavranos) Lüthy: has a large shining yellow flower with a white ring around the tube. Distribution: massif of Makay, Tulear province, Madagascar.
Pachypodium rosulatum var. stenanthum Costantin & Bois

Pachypodium rosulatum f. cristata Photo by: Valentino Vallicelli

Pachypodium rosulatum f. cristata Photo by: Valentino Vallicelli

Pachypodium rosulatum f. cristata Photo by: Valentino Vallicelli

Pachypodium rosulatum f. cristata Photo by: Cactus Art

Cultivation and Propagation: A draining cactus potting mix and a good water supply is all this plant needs, it like full sun to light shade with warm temperatures. It tends to lose its leave and go dormant in winter. It then needs very little water. Repot the plant every 2-3 years.
Crested growth: Unlike 'monstrose' varieties of plants, where the variation from normal growth is due to genetic mutation, crested growth can occur on normal plants. Sometimes it's due to variances in light intensity, or damage, but generally the causes are unknown. A crested plant may have some areas growing normally, and a cresting plant that looks like a brain, may revert to normal growth for no apparent reason. Any normal shoots should be removed to promote the growth of the crest.

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Cite this page: "Pachypodium rosulatum f. cristata" Text available under a CC-BY-SA Creative Commons Attribution License. www.llifle.com 14 Nov. 2005. 16 Nov 2024. </Encyclopedia/SUCCULENTS/Family/Apocynaceae/19743/Pachypodium_rosulatum_f._cristata>