Helichrysum trilineatum flowerheads

    Helichrysum trilineatum flowerheads
    Author: Ivan Lätti
    Photographer: Judd Kirkel Welwitch

    The flowerheads of Helichrysum trilineatum are bell-shaped, growing in stem-tip clusters. The receptacle at the base of the flowerhead is honeycombed. The involucral bracts around the head grow in about five graded and overlapping whorls or rings around the disc florets, sometimes appearing translucent. The outer ones are pale golden brown, the inner ones blunt-tipped and yellow.

    The number of disc florets in a flowerhead may be up to 60, or as few as 25. Most of the florets are bisexual, although there are some female florets as well, usually along the perimeter next to the bracts around the disc, or near them. Flowering happens from late winter through spring and summer, sometimes all year round.

    The pappuses attached to the fruits consist mainly of bristles, the fruits barrel-shape, about 1 mm long (iNaturalist; https://keys.lucidcentral.org; https://www.worldfloraonline.org).

    Total Hits : 798