Coreopsis gladiata Walt.

As here circumscribed, Coreopsis gladiata includes plants that others (without agreement among themselves) have treated as distinct species and/or varieties: C. falcata (leaves mostly basal and/or proximal, alternate, blades mostly lance-linear to linear, often 1–2 with 1–2 lateral lobes, faces not dotted; outer phyllaries lance-ovate to lance-linear; Ga., N.C., S.C.); C. floridana (leaves mostly basal and/or proximal, alternate, blades mostly lance-linear to linear, not lobed, not dotted; outer phyllaries broadly deltate-ovate; Fla.), C. helianthoides (leaves mostly cauline, alternate, blades mostly elliptic to lanceolate, not lobed, faces not dotted; outer phyllaries lance-ovate to lance-linear; Ala., Fla., Ga., La., Miss., N.C., S.C.), and C. linifolia (leaves basal and cauline or mostly cauline, alternate or opposite or both, blades mostly lance-linear to linear, seldom lobed, faces bearing dark or translucent dots; outer phyllaries lance-ovate to lance-linear; Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.).

Perennials, 30–70 cm. Internodes (± mid stem) (1–)8–12+ cm. Leaves basal and cauline; usually alternate, sometimes opposite and alternate or all opposite; petioles 1–10(–15+) cm, not ciliate; blades elliptic or lanceolate to ± linear, (2–)4–8(–15+) cm × (3–)7–12(–40+) mm, sometimes with 1–2 lateral lobes. Peduncles (1–)4–8(–10+) cm. Calyculi of broadly deltate-ovate to lance-ovate or lance-linear bractlets 2–6+ mm. Phyllaries lance-ovate to lanceolate, 6–9(–12) mm. Ray laminae yellow, (12–)15–20+ mm. Disc florets 40–80+; corollas purplish or purple-tipped, 2.8–4.8 mm. Cypselae ± obovate to oblong, 3–4 mm, winged, wings 0.2–0.4+ mm wide, ± pectinate; pappi of 2 subulate scales 0.5–1+ mm. 2n = 26.

Coreopsis falcata F. E. Boynton; C. floridana E. B. Smith; C. gladiata var. linifolia (Nuttall) Cronquist; C. helianthoides Beadle; C. linifolia Nuttall; C. longifolia Small

Coreopsis gladiata, the coastalplain tickseed, is a North American species of perennial tickseeds in the family Asteraceae. It is native to the southeastern United States from eastern Texas to southeastern Virginia, primarily to the coastal plain.

Coreopsis gladiata is a perennial herb up to 70 cm (28 inches) tall. Flower heads have yellow ray florets and purple disc florets. The species grows in swamps, bogs, depressions, and pine barrens.

Coreopsis gladiata là một loài thực vật có hoa trong họ Cúc. Loài này được Walter mô tả khoa học đầu tiên năm 1788.

Международное научное название

Coreopsis gladiata Walter (1788)

Синонимы
Систематика
на Викивидах
Изображения
на Викискладе ITIS 37134NCBI 159664EOL 467668GRIN t:453782IPNI 65806-2TPL gcc-11464

Coreopsis gladiata лат. — вид травянистых растений рода Кореопсис (Coreopsis) семейства Астровые (Asteraceae), растёт на юго-востоке США.

Ботаническое описание

Coreopsis palmata — однолетнее или короткоживущее многолетнее травянистое растение высотой 90—120 см. Наиболее близкий вид — Coreopsis leavenworthii.

Листья цельные.

Цветки — жёлтого цвета с тёмно-коричневым диском. Цветёт с конца лета до зимы, как правило, сентябрь-октябрь.

Ареал и местообитание

Растёт на юго-востоке США, встречается в штатах Северная Каролина, Южная Каролина, Джорджия, Флорида, Алабама, Миссисипи и Луизиана.^[2] Произрастает в низинных влажных сосновых лесах, на открытых местах, опушках и в кюветах, на болотистых почвах.

Примечания

Coreopsis gladiata лат. — вид травянистых растений рода Кореопсис (Coreopsis) семейства Астровые (Asteraceae), растёт на юго-востоке США.