How do you identify Cucurbitaceae?
The Gourd family is as easy to recognize as pumpkins and squash. Look closely at one of these flowers and you will know the family. Male and female parts are borne on separate funnel-shaped flowers. There are 5 separate sepals and 5 united petals (rarely 6 of each).
Which of the following cucurbit is propagated by seed?
Most of the cucurbits are annuals, direct sown and propagated through seed. However, pointed gourd, Ivy gourd and chow-chow, the perennials, are propagated vegetatively. gourd and long melon.
What are tendrils on a climbing gourd?
The climbers such as gourd, grapevine and passion flower have weak stems. Hence the stems of these plants develop threadlike structures called the tendrils. The tendrils are the aerial stem modification. When they come in contact with the solid support they coil around it and hence support these plants in climbing.
Which type of Aestivation is present in Cucurbita?
The aestivation is imbricate or valvate. Corolla: The corolla consists of 5 petals which are united to form a tube or nearly free (Trichosanthes). The corolla is campanulate (Coccinia, Cucurbita), rotate or salver form.
What are the characteristics of Cucurbitaceae?
The Cucurbitaceae are mostly prostrate or climbing herbaceous annuals comprising about 90 genera and 700 species that are further characterized by commonly having 5-angled stems and coiled tendrils. The leaves are alternate and usually palmately 5-lobed or divided; stipules are absent.
Which gourd is monoecious?
Bottle gourd, (2n = 2x = 22)—also known as white-flowered gourd—is a monoecious annual vine with large, white flowers borne on slender peduncles. The native areas of bottle gourd, Lagenaria siceraria (Mol.) Standl. are Africa and the Americas.
Which cucurbit has a single seed in the fruit?
Chow-chow
Chow-chow is a single seeded viviparous cucurbit.
What are the examples of tendrils?
Common examples of tendril-producing plants are the grape, members of the squash or melon family (Cucurbitaceae), the sweet pea (Lathyrus odoratus), and the passionflowers (Passiflora species).
What is the function of tendrils?
Function of Tendril They are known to be modified portions of leaf, stem or petiole. Their main function is to provide support to the plant as it climbs up a structure. By doing so they allow a plant to find a more suitable area to grow due to more light. When stems are modified into tendril they help plants to climb.
What is the common name for Cucurbita pepo?
acorn squash
Cucurbita pepo, commonly referred to as acorn squash, is a sprawling vine with yellow fruit-bearing flowers.
What is the meaning of Cucurbitaceae?
: a family of chiefly herbaceous tendril-bearing vines (order Campanulales) that are characterized by an inferior ovary and anthers usually united and that include food plants (as the cucumber, melon, squash, and pumpkin), drug plants (as the colocynth), and ornamental plants (as the gourds)
What kind of seeds are in Cucurbitaceae?
1 Cucurbita pepo L ., – Pumpkin, Winter squash, Summer squash, Gourds 2 Cucurbita moschata – Duch ., Pumpkin, Winter squash 3 Cucurbita maxima – Duch., Pumpkin, Winter squash 4 Cucurbita argyrosperma – Pang., Pumpkin, Gourds 5 Cucurbita ficifolia – Bouche, Malabar or Figleaf Gourd (not widely grown in US)
What kind of thing is a tendril in a plant?
Morphological nature of tendril has been a subject of great controversy. Tendrils have been considered by various authors as roots, stems, leaves, stipules, shoots, flower stalks or organs sui generis. According to Braun (1876) it is a modified bracteole. Engler considered it is modified stipule.
Why are the roots of Cucurbitaceae bitter?
Most cultivated Cucurbitaceaehave been selected to produce low levels of Cucurbitacinsalthough the bitterness of cultivated species may increase in response to environmental stress such as heat or shortage of water. The concentration of cucurbitacins is generally highest in roots and fruit.
How many species of Cucurbitaceae are there in India?
Distribution of Cucurbitaceae: It is commonly called gourd family. The family has 110 genera and 850 species out of which 86 species are found in India. The members are chiefly inhabitants of tropical regions; a few in temperate regions.