The inflorescence of the grape flower is conical, and the flowers are green and have five petals, like a cap. The cap will fall off after blooming. The anthers are yellow, and they are basically self-pollinated.
Grapes are woody vines. Branchlets cylindrical, longitudinally ribbed, glabrous or sparsely pubescent. The tendrils are 2-branched and interrupted every 2 nodes to be opposite to the leaves. Panicles are dense or sparse, with many flowers, opposite to the leaves, well-branched at the base, 10-20 cm long, peduncle 2-4 cm long, almost hairless or sparsely spider-like tomentose; pedicel 1.5-2.5 mm long , hairless; flower buds are obovate, 2-3 mm high, and the top is nearly rounded; the calyx is shallow saucer-shaped, with wavy edges, and the outside is hairless; the petals are 5, adhering and falling off in the shape of a cap.
The stamens are 5, the filaments are filamentous, 0.6-1 mm long, the anthers are yellow, oval, 0.4-0.8 mm long, significantly shorter and aborted or completely degenerated in the female flowers; the flower disc is well developed, 5 shallow Cleft; pistil 1, completely reduced in male flowers, ovary ovate, style short, stigma enlarged.
Tips for purchasing grapes
1. Look at the appearance: When choosing grapes, pay attention to their appearance. You should choose grapes that are bright, bright in color, and without damage or damage. The surface of the grapes should be smooth with no cracks or spots.
2. Taste the texture: Gently squeeze the grapes, you should feel a certain elasticity, but not too hard or too soft. Fresh grapes should taste good, with appropriate sweetness and acidity, without any off-flavor.
3. Look at the grape stems: The grape stems should be relatively green. If the stems are withered and yellow, it means that the grapes may have passed the maturity period, and the nutritional value and taste will also be affected.
4. Look at the varieties: Different grape varieties have different characteristics, and you should choose the appropriate variety according to your own preferences.
5. Look at the place of origin: The place of origin of grapes is also an important factor to pay attention to when purchasing. Generally speaking, grapes with good production environment, suitable climate and good planting technology will taste better.