What is Peltate Trichome?
The peltate trichome consists of a basal cell, a stalk cell, and a multicellular head (Figure 1(c)). The head has 12 secretory cells forming two cycles, which includes 4 central and 8 peripheral cells (Figure 1(a)). The capitate trichome consists of a basal cell, a stalk cell, and a unicellular head (Figure 1(d)).
What type of flower is a rhododendron?
Evergreen rhododendrons – large group of evergreen shrubs that vary greatly in size. Most rhododendron flowers are bell-shaped and have 10 stamens. Azaleas – group of shrubs which have smaller and thinner leaves than evergreen rhododendrons.
Are Azalea leaves simple or compound?
iNat Map
Form | shrub |
---|---|
Leaf arrangement | Alternate |
Simple/compound | Simple |
Evergreen or deciduous | Deciduous |
Flower color | white |
What are trichomes mention their types with examples?
Trichomes (/ˈtraɪkoʊmz, ˈtrɪkoʊmz/); from Ancient Greek τρίχωμα (tríkhōma) ‘hair’) are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae.
What are waxy leaves?
Answer: The waxy covering on plant leaves, young stems, and fruit is called the “cuticle”. It is composed of cutin, a wax-like material produced by the plant that is chemically a hydroxy fatty acid. The purpose of this covering is to help the plant retain water. In arid regions, that is very important.
What is trichomes give two examples?
Examples of glandular trichomes include: Saltbush (Atriplex) (secretes water) Docks and Sorrels (secretes water) Basil plants (secretes lipids)
What are trichomes and their types with examples?
A common type of trichome is a hair. Plant hairs may be unicellular or multicellular, branched or unbranched. Multicellular hairs may have one or several layers of cells. Branched hairs can be dendritic (tree-like) as in kangaroo paw (Anigozanthos), tufted, or stellate (star-shaped), as in Arabidopsis thaliana.
What rhododendrons look like?
The flowers are bell-shaped and are born in clusters known as trusses. They may be white, yellow, orange, pink, red, or purple in color. The flowers are often decorated with spots of a different color from the rest of the flower. Most of my local plants bloom in May, though some produce flowers in April.
What rhododendron means?
Definition of rhododendron : any of a genus (Rhododendron) of widely cultivated shrubs and trees of the heath family with alternate leaves and showy flowers especially : one with leathery evergreen leaves as distinguished from a deciduous azalea.
How do you identify azalea leaves?
To tell them apart, first look at a flower—most azaleas have only 5 or 6 stamens, while most rhododendrons have 10 stamens. Then look at a leaf—azalea leaves tend to be thinner, softer and more pointed than rhododendron leaves.
What type of flower is an azalea?
shrubs
Azaleas /əˈzeɪliə/ are flowering shrubs in the genus Rhododendron, particularly the former sections Tsutsuji (evergreen) and Pentanthera (deciduous).
Which trees have waxy leaves?
Trees like the desert willow (Chilopsis linearis) have narrow, waxy leaves and striking purple flowers. Yuccas and agaves grow thick, swordlike, waxy leaves that radiate from a central stalk. The flowers emerge on a central stalk and are also waxy in texture.
Which plant has waxy coating?
Hydrophytes are plants that enjoy water. There are large leaves, stomata and waxy coatings on the upper surface of the floating hydrophytes. The waxy coating prevents stomata from wetting and clogging. Hence, the correct answer is option (D).
What are trichomes mention their types of examples?
Trichomes are either glandular or non-glandular. These types of trichomes are known to secrete various substances including water, nectar, resins, mucilage and terpens among others….The following are examples of non-glandular trichomes:
- Gossypium with vesicular hair (non-flattened)
- Styrax.
- T- shaped Corokia.
What are trichomes in leaves?
They are the sticky glands that cover the flowers and some small leaves of the cannabis plant. By definition, a trichome is “ the small outgrowth on a plant”. The etymology comes from the greek word trikhōma meaning “growth of hair”. Much like terpenes, most plants have trichomes that serve various purposes.
What are the different types of rhododendron?
Rhododen… indicumJapanese azaleaRhododen… simsiiPurple rhododend…Rhododen… subg. Hymenant…Flame azalea
Rhododendron/Lower classifications
What is the common name for rhododendron?
azalea
There are alpine species with small flowers and small leaves, and tropical species such as section Vireya that often grow as epiphytes. Some rhododendrons are known by the common name of azalea.
What does rhododendron look like?
What are some examples of gold leaf buildings?
Buildings with magnificent gold leaf exteriors include the Shwe Dagon Pagoda, a 2,500 year-old Buddhist shrine in Myanmar; the Golden Temple of the Sikhs in Amritsar, India; and the domes of the Cathedral of Our Saviour in the Kremlin. Food-grade gold leaf is non-toxic and is used to decorate fine foods, particularly chocolate and desserts.
What is the ideal peltate leaf shape?
“The ‘ ideal’ peltate leaf would be one with a stalk attached in the middle of an almost circular leaf-surface. This is approached in, for example.” 3. Magazine of Natural History by Edward Charlesworth (1830) “… is rendered eminently beautiful by the rich azure of its transparent petals, and the singular verdure of its long peltate leaf.
What is a gold leaf?
Gold leaf comes in many karats and colors, although 22K gold is used most frequently. It is made by rolling gold into flattened ribbons approximately 0.001 inch (0.0025 cm) thick. The ribbons are then cut into squares, with sides of just over an inch (3 cm). These squares are placed between sheets of heavy paper and stacked into a pile.
What is a 22K gold leaf?
Gold leaf comes in many karats and colors, although 22K gold is used most frequently. It is made by rolling gold into flattened ribbons approximately 0.001 inch (0.0025 cm) thick. The ribbons are then cut into squares, with sides of just over an inch (3 cm).