Solanaceae Fortnight: Brugmansia versicolor from Uttarakhand for Validation-GSFEB26/28

[Gurcharan Singh]

Brugmansia versicolor Lagerh., Bot. Jahrb. Syst. 20:666. 1895

Photographed from Agastamuni in Uttarakhand, pl validate.

Dr. Gurcharan Singh

Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089

http://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/

[J.M. Garg]

After going through the keys at Drugs-Forum, I think it is more closer to Brugmansia suaveolens or its hybrid.

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[Gurcharan Singh]

This should also be B. versicolor

Long narrow corolla tube much beyond calyx, larger flower both go for B. versicolor

Here are detailed differences

B. svaveolens                                                                                             B. versicolor

1. leaves narrowly elliptic to ovate.                                                             1. leaves  oblong-elliptic

2 flowers 20-30 cm log                                                                                2. flowers 30-50 cm long

3. calyx slightly inflated, 2-5 toothed                                                           3. calyx narrower, spathe like

4. corolla tube expanding just after calyx                                                    4. corolla tube narrowed well beyond calyx

5. corolla teeth flaring, not recurved                                                            5. corolla teeth recurved

[Gurcharan Singh]

Long narrow corolla tube much beyond calyx, larger flower both go for B. versicolor

Here are detailed differences

B. svaveolens                                                                                             B. versicolor

1. leaves narrowly elliptic to ovate.                                                             1. leaves  oblong-elliptic

2 flowers 20-30 cm log                                                                                2. flowers 30-50 cm long

3. calyx slightly inflated, 2-5 toothed                                                           3. calyx narrower, spathe like

4. corolla tube expanding just after calyx                                                    4. corolla tube narrowed well beyond calyx

5. corolla teeth flaring, not recurved                                                            5. corolla teeth recurved

[J.M. Garg]

Hi, Singh ji,

From where did you get the keys?

Both POWO and Catalogue of life does not show that Brugmansia versicolor Lagerh. has been introduced in our area. Brugmansia suaveolens (Humb. & Bonpl. ex Willd.) Bercht. & Presl is shown as introduced in our area as per POWO and Catalogue of Life.

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[J.M. Garg]

I have examined  your post and given this feedback:

"After going through the keys at Drugs-Forum, I think it is more closer to Brugmansia suaveolens or its hybrid."

Unfortunately, I am unable to reach this link (Drugs-Forum) now.

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With regards,
J.M.Garg

[J.M. Garg]

Taking this as Brugmansia suaveolens as per discussions at Solanaceae Fortnight: Brugmansia suaveolens at Chikmagalur : PKA-FEB44/44

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With regards,
J.M.Garg