Vaccinium oxycoccos 紅莓苔子、大果毛蒿豆

Common name: Cranberry
Scientific name: Vaccinium oxycoccos 紅莓苔子、大果毛蒿豆
Genus:  Vaccinium 越橘屬
Family: Ericaceae 杜鵑花科, heath or heather family

Origin:  native

Date:  22nd May

  

[425] A prostrate, trailing, creeping perennial, with long wiry 鐵絲狀的 stems.

[420_1] Leaves small, 4-8mm (5–11 × 2–5 mm), oblong or ovate, leathery, glabrous, dark green above. (vs leaves 3-5mm, widest at base in 小果紅莓苔子、毛蒿豆, small cranberry) Petioles around 1mm long. Apex acute to apiculate.

[419_1] Leaves alternate, widely spaced, glaucous 具粉霜的、淡灰綠色的 beneath, secondary veins inconspicuous on both surfaces, base rounded, margins strongly revolute, entire.

[418_1] Inflorescences terminal umbellate racemes, axis to 7 mm, flowers sometimes axillary at base of innovation, (1- or)2–4-flowered;  (vs flowers in groups of 1-2 in 小果紅莓苔子、毛蒿豆, small cranberry). Bracts persistent, ovate, ca. 2 mm, glabrous. Pedicel recurved at apex, filiform, 1–2(–3) cm, pubescent; bracteoles at middle. Be: Bracteole 小苞片; Bt: bract 苞片; Pl: Pedicel 花梗

[416_1]

Flower stalks minutely hiary (Pedicel pubescent).  (vs flower stalks glabrous in 小果紅莓苔子、毛蒿豆, small cranberry). Hypanthium glabrous; calyx lobes suborbicular, ca. 0.5 mm. Be: Bracteole 小苞片; Ca: Corolla lobe 花冠裂片; Ce: Calyx lobe;Hm: Hypanthium 萼筒; Pl: Pedicel 花梗

[417_1]

Bracteoles at middle. Be: Bracteole 小苞片; Ca: Corolla lobe 花冠裂片; Ce: Calyx lobe 萼裂片; Hm: Hypanthium 萼筒; Pl: Pedicel 花梗

[424_1] Flowers 4-merous. Corolla pinkish, glabrous, lobed nearly to base; lobes strongly reflexed (only slightly reflexed on the above photo), oblong, 4–6 mm. Photo above showing the underside of the corolla lobes.

[425_1] Filaments ca. 1.5 mm, ciliolate; anthers ca. 3 mm, thecae without spurs; tubules shorter than thecae. Ar: Anther 花葯; Coe: Corolla lobe 花冠裂片; Ft: Filament 花絲; Hm: Hypanthium 萼筒; Pl: Pedicel 花梗; The: Thecae 葯室; Tue: Tubule 葯管

[414_1] Corolla lobes nearly to base, lobes strongly revolute.