Eustoma grandiflorum (Cultivated)

Eustoma grandiflorum (Raf.) Shinners , S. W. Naturalist 2: 41 1957. (syn.Eustoma andrewsii A.Nelson; Eustoma exaltatum subsp. russellianum (Hook.) Kartesz; Eustoma gracile Engelm. ex Small; Eustoma grandiflorum f. album (Holz.) Waterf.; Eustoma grandiflorum f. bicolor (Standl.) Shinners; Eustoma grandiflorum f. fisheri (Standl.) Shinners; Eustoma grandiflorum f. flaviflorum (Cockerell) Shinners; Eustoma grandiflorum f. roseum (Standl.) Shinners; Eustoma russellianum G.Don; Eustoma russellianum (Hook.) Griseb. ex DC.; Eustoma russellianum f. album Holz.; Eustoma russellianum f. bicolor Standl.; Eustoma russellianum f. fisheri Standl.; Eustoma russellianum f. flaviflorum Cockerell; Eustoma russellianum var. flavum A.M.Davis; Eustoma russellianum f. roseum Standl.; Lisianthius russellianus Hook.; Urananthus russellianus (Hook.) Benth.);
 
Tulip Gentian, Lisianthus, Texas Bluebell, Prairie Gentian; 
 

Eustoma, a genus of three species in the family Gentianaceae, grows natively in warm regions of the Southern United States, Mexico, Caribbean and northern South America.[1] Examples grow mostly in grassland and in areas of disturbed ground. These flowers are commonly known as Lisianthus flowers.

They are herbaceous annuals, growing to 15 – 60 cm tall, with bluish green, slightly succulent leaves and large funnel-shaped flowers growing on long straight stems: sometimes erect single stems, other times growing on branching stems that can rise to be three feet tall. The flowers can grow up to two inches across and can be found in a variety of colors. They have been found in all shades of pink, purple, white, and blue. In addition, some are bicolored and some are occasionally found in yellow or carmine-red.
Lisianthus flowers are either single-flowered or double-flowered. Both types of flowers can be found in all ranges of the possible colors listed above.[2]
They are usually one to three feet tall, although there are dwarf varieties that only grow up to eight inches in height.[3] Lisianthus flowers are tricky to grow and require some maintenance.[4] They have tiny seeds that must be sown on the surface, not buried,[5] and they must be planted in rich, well-drained soil and exposed to full sun. They must be kept moist but not overwatered:[6] overwatering may result in the growth and development of fungal diseases. Lisianthus flowers will begin to bloom in early summer and some will continue to bloom throughout the later months of the summer.
When cut, Lisianthus flowers can last anywhere from two to three weeks in a vase.[7]
(From Wikipedia 0n 23.6.14)  

     

Images by Marianne de Nazareth (ID Ajinkya Gadave), inserted by Gurcharan Singh (Please click link to see details). 

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Identify flower please:  6 posts by 4 authors. Attachments (2).

Saw this beautiful flower used so effectively at a silver wedding celebration last night (9.7.11).
Could anyone identify the flower please?

i think this is Eustoma grandiflorum

Yes Eustoma grandiflorum from Gentianaceae

Could you give me the common name as well please?

I think Texas Bluebell. 

common names are  Tulip Gentian, Lisianthus, Texas Bluebell, Prairie Gentian

 
Story! Attachments (1). 1 post by 1 author. Blue Eustoma flower CB-12-08-11-Page-9.pdf 

 
Eustoma: Attachments (1). 1 post by 1 author.
Thanks to all who advised!
Blue Eustoma flower CB-12-08-11-Page-9.pdf

 

 
 
 
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