What are the characteristics of Asteraceae family?
Characteristics of Asteraceae
- These are herbs, shrubs or trees.
- Taproots are modified into tubers.
- The stem might be erect, hairy, woody or prostrate.
- The leaves may be radical, petiolate, exstipulate,
- Flowers are tubular or ligulate, bisexual or unisexual, usually dithecous, filament free with united anthers.
Which is the identifying character of Asteraceae?
The distinguishing characteristic of Asteraceae is their inflorescence, a type of specialised, composite flower head or pseudanthium, technically called a calathium or capitulum, that may look superficially like a single flower.
Which characters are found in Asteraceae family?
Floral characters
- Homogamous: All the florets are alike in structure and function.
- Heterogamous: Florets in heterogamous heads are of two types described below,
- Disc florets.
- Ray florets.
- Calyx: Absent or hairy pappus or scaly persistent.
- Corolla: Petals 5 in number, polypetalous, ligulate.
- Androecium: Absent.
How many plants are in the Asteraceae family?
The aster family (Asteraceae) is one of the largest angiosperm families, with more than 1,620 genera and 23,600 species of herbaceous plants, shrubs, and trees distributed throughout the world.
What features are used to describe and identify a plant?
Identifying a landscape or garden plant requires recognizing the plant by one or more characteristics, such as size, form, leaf shape, flower color, odor, etc., and linking that recognition with a name, either a common or so-called scientific name.
What is the fruit of Asteraceae?
achene
The members of Asteraceae produce a type of fruit called an achene, which is dry and single-seeded and does not open at maturity.
Why Asteraceae is advanced family?
Advanced characters: The family Asteraceae (Compositae) is regarded as the most advanced and highly evolved and is considered to occupy the highest position in the plant kingdom. 1. It includes maximum number of genera (950) and species (20000).
Which type of placentation is found in Asteraceae?
(a) Asteraceae and Fabaceae. (b) Brassicaceae and Solanaceae. (c) Solanaceae and Liliaceae.
Which type of Placentation is found in Asteraceae?
What is Asteraceae used for?
The local medicinal uses include painkiller, diuretic, febrifuges, carminative, anthelmintic, anti- inflammatory, aphrodisiac, cardio tonic, tonic, stomachache, dyspepsia, jaundice, leprosy, cough, asthma, ulcers, vomiting etc.
What is Asteraceae good for?
Plant species in Asteraceae and Lamiaceae family are being used to cured various diseases. Satureja species exhibits analgesic, antimicrobial, antiviral, antioxidant, antiproliferative, anti-inflammatory, and vasodilatory activities (Momtaz and Abdollahi, 2008).
How do you describe a plant’s leaves?
leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system.