What is the floral formula of Solanum nigrum?
Floral Formula
| ⊕ | Actinomorphic (radial symmetry) |
|---|---|
| K(5) | Calyx – 5 sepals, gamosepalous (united) |
| C(5) | Corolla – 5 petals, gamopetalous |
| A5 | Androecium – 5 stamens, polyandrous (free), epipetalous (attached to petals) |
| G(2) | Gynoecium – bicarpellary, syncarpous (united), superior ovary |
What is the difference between Datura metel and Datura stramonium?
metel are generally taller less branched and erect often reaching 1.5 m and tend to have purplish stem, in D. stramonium plants are shorter, more branched and spreading, stems not purplish. for the identification key of Datura for further references.
What does the following floral formula represent k5 C5 a5 G 2?
The floral formula of tobacco is % ⚥ K(5)C(5)A5G(2) .
How do you read the hibiscus flower formula?
Every symbol and number in the floral formula has a specific meaning and characteristics to it. Br symbolizes that the hibiscus is a bracteate flower. Brl symbolizes that the hibiscus is also a bracteolate flower. ⊕ symbolizes that hibiscus is an Actinomorphic flower.
How do you write a floral flower formula?
A floral formula consists of five symbols indicating from left to right:
- Floral Symmetry.
- Number of Sepals(calyx)
- Number of Petals(corolla)
- Number of Stamens.
- Number of Carpels.
What is the scientific name of datura flower?
DaturaDatura / Scientific name
The common name of datura is thorn apple, stinkweed, angel’s trumpet, and Jamestown weed. It is a vegetable deliriant type of cerebral poison. The botanical name is Datura stramonium.
What are the floral characters of Liliaceae?
So, the correct answer is ‘Trimerous, actinomorphic, polyandrous, superior ovary, axile placentation’.
What is the characteristic feature of family Solanaceae?
Characteristics of Solanaceae Family Root System: Taproot system. Stem: Erect or climber; Solanaceae includes herbs, shrubs, small trees, and climbers. Leaves: Alternate, simple or pinnately compound (rarely); exstipulate; reticulate venation.
What are the two genera of the Hydrangea?
The two North American genera in the tribe, Decumaria and Hydrangea, are circumscribed here in their traditional senses. The Hydrangeaceae are well represented in the paleobotanical record dating back to the Upper Cretaceous but best represented in the Tertiary (L. Hufford 2004).
What are the characteristics of the leaves of a hydrangea?
Reduced at first but later on erect, cylindrical, herbaceous above, woody below, and slightly hairy. Radial, cauline and ramal, radial leaves lyrate, leaves in floral region alternate, lower lyrate and oblong, sessile and auriculate, exstipulate, unicostate, hairy.
How many petals does a hydrangea have?
Four in two whorls, free, caducous, inner lateral sepals are often sacatte or pouch-shaped at the base, imbricate, inferior. Four petals, clawed and diagnonally placed like the arms of a cross (cruciform), imbricate or twisted, inferior.
Are there any medicinal properties of hydrangeas?
A few North American Hydrangeaceae have reputed medicinal (D. E. Moerman 1998) or toxicologic (G. E. Burrows and R. J. Tyrl 2001) properties. Trichomes in most Hydrangeaceae consist of a long, unicellular portion, often borne on a multicellular base.