Launch Helianthus. Note antenna wire - outfitted for radio acoustic ranging. Gasoline launch, length...картинки цветовThis is a picture of the same plant in peak flower in mid-June. Sunflowers are prolific breeders,...Hoa hòe : Sophora japonicaFamily - Asteraceae Stems - To +1.2m tall, erect to reclining, herbaceous, from rhizomes, single or...leaf--just like the heads, the leaves are huge too!Leaf base.The Helianthus are also known as Sunflowers . The tall variety is a very stately plant, suitable for...this head has been completely pollinated--the ray corollas will soon fall off and each disk flower...Family - Asteraceae Stems :Price Image Find Similar More by contributor Find in same category Share Comment Sunflower,...habitIf butterflies are in short supply, the same cannot be said for bees and wasps who are still busily...Family - Asteraceae Stems - To 2m tall, simple, glabrous( but sometimes scabrous in inflorescence),...The shaded areas on the map indicates where the genus has been observed in the United States. Click...Helianthus annuus , as the name implies, is an annual species of sunflower. Thus, the young plants...Flowering - June - September. Habitat - Woodlands, roadsides. Origin - Native to North America....Ray flowers - 8-9 flower per head, sterile. Ligule yellow, oblong, 2.5-3cm long, to 1cm broad,......and had grown to approximately 7 feet tall by late May!Plant Families ASTERACEAE Acroptilon repens Ambrosia artemisifolia Ambrosia grayi Ambrosia trifida...アメリカの南部が原産で、テキサス州やフロリダ州、ノースカロライナアメリカ中部のグレートプレーンズ（Great Plaines）が原産です。わがPrice Image Find Similar More by contributor Find in same category Share Comment Sunflower,...Show Larger Picturestem showing hairs--these hairs make the stems feel extremely coarse (the leaves also feel coarse)Helianthus Botanica Series: H-PInvolucre. Ray flowers - Ligule yellow, to +3cm long, 1cm broad, sparse pubescent externally,...Stichodactyla HelianthusSlunečnice roční (Helianthus annuus)Root.