Launch Helianthus. Note antenna wire - outfitted for radio acoustic ranging. Gasoline launch length... Launch Helianthus. Note antenna wire - outfitted for radio acoustic ranging. Gasoline launch, length... Disk flowers - Disk 1-1.5cm broad in flower up to 2cm long in fruit. Flowers yellow. Corolla tube... Disk flowers - Disk 1-1.5cm broad in flower, up to 2cm long in fruit. Flowers yellow. Corolla tube... This is a picture of the same plant in peak flower in mid-June. Sunflowers are prolific breeders... This is a picture of the same plant in peak flower in mid-June. Sunflowers are prolific breeders,... leaf--just like the heads the leaves are huge too! leaf--just like the heads, the leaves are huge too! Leaf base. Leaf base. The Helianthus are also known as Sunflowers . The tall variety is a very stately plant suitable for... 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... this head has been completely pollinated--the ray corollas will soon fall off and each disk flower... Family - Asteraceae Stems : Family - Asteraceae Stems : Price Image Find Similar More by contributor Find in same category Share Comment Sunflower... Price Image Find Similar More by contributor Find in same category Share Comment Sunflower,... habit habit Inflorescence - Single flower head terminating axillary and branches. Peduncles antrorse strigose... Inflorescence - Single flower head terminating axillary and branches. Peduncles antrorse strigose,... If butterflies are in short supply the same cannot be said for bees and wasps who are still busily... If butterflies are in short supply, the same cannot be said for bees and wasps who are still busily... The shaded areas on the map indicates where the genus has been observed in the United States. Click... 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... 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.... 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... Ray flowers - 8-9 flower per head, sterile. Ligule yellow, oblong, 2.5-3cm long, to 1cm broad,... Family - Asteraceae Stems - Erect herbaceous but stout from stout thickened roots to +2m tall... Family - Asteraceae Stems - Erect, herbaceous but stout, from stout thickened roots, to +2m tall,... ...and had grown to approximately 7 feet tall by late May! ...and had grown to approximately 7 feet tall by late May! 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 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... Price Image Find Similar More by contributor Find in same category Share Comment Sunflower,... Show Larger Picture Show Larger Picture Sunflower(Helianthus annuus) Sunflower(Helianthus annuus) stem showing hairs--these hairs make the stems feel extremely coarse (the leaves also feel coarse) stem showing hairs--these hairs make the stems feel extremely coarse (the leaves also feel coarse) Helianthus Botanica Series: H-P Helianthus Botanica Series: H-P Welcome I’m an amateur wildflower and native plant enthusiast. I have property in Northeast Arkansas... Welcome I’m an amateur wildflower and native plant enthusiast. I have property in Northeast Arkansas... Root. Root. Helianthus maximiliani Helianthus maximiliani Sunflower (Compositea the Composite Family) 0.5-3... Helianthus maximiliani Helianthus maximiliani , Sunflower, (Compositea, the Composite Family), 0.5-3... head--sunflower heads are large! do you see the stamens on the open disk flowers (they are the black... head--sunflower heads are large! do you see the stamens on the open disk flowers (they are the black... 北アメリカの中西部からメキシコが原産です。16世紀には、すでにヨ 北アメリカの中西部からメキシコが原産です。16世紀には、すでにヨ
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