Sabulina rubella Dillenberger & Kadereit

• Main Authors: Desjardins, Émilie, Lai, Sandra, Payette, Serge, Dubé, Martin, Sokoloff, Paul C., St-Louis, Annie, Poulin, Marie-Pier, Legros, Jade, Sirois, Luc, Vézina, François, Tam, Andrew, Berteaux, Dominique
• Format: Other/Unknown Material
• Language: unknown
• Published: 2021
• Subjects: Biodiversity; Taxonomy; Chromista; Foraminifera; Globothalamea; Loftusiida; Ataxophragmiidae; Sabulina; Sabulina rubella; Nunavut; Ellesmere Island; Canada; St. Louis; Berteaux; polar desert
• Online Access: https://zenodo.org/record/5464666; https://doi.org/10.5281/zenodo.5464666

Sabulina rubella (Wahlenberg) Dillenberger & Kadereit Figure 6D Materials examined. CANADA – Nunavut • Ellesmere Island, CFS Alert; 82°26′22″N, 062°50′39″W; 201 m a.s.l.; 7 Aug. 2019; habitat: barren ground in a slope, with till and rocks as substrates; QFA0635573. Identification. Plants 1.5–3.5 cm high; herbaceous; caespitose. Taproots present. Stems 0.8–2.5 cm long; prostrate, decumbent, or ascending; hairy, with glandular hairs. Leaves cauline; opposite; sessile. Leaf blades 3.0– 5.7 mm long, 0.5–1.0 mm wide; lanceolate or linear; straight or acending; veins 3; green; abaxial and adaxial surfaces both glabrous; margins ciliate, with glandular hairs; apices acute or apiculate. Inflorescence a solitary flower. Pedicels hairy. Sepals 5; 2–3 mm long, 0.5–1.4 mm wide; lanceolate; purple or green, with hyaline margins; surface glabrous or hairy, with glandular hairs; margins glabrous; apices acute. Petals 5; 2–3 mm long, 1.0– 1.5 mm wide; oblanceolate or obovate; unlobed; white. Androecium with 10 stamens and 0.2–0.3 mm long, yellow anthers. Gynoecium with 3 styles and 1 stigma per style. Fruit a capsule; 2.8–3.0 mm long, 1.4– 1.6 mm wide; ovoid or conical; straw-colored; glabrous. Characteristics allowing to distinguish S. rubella from the other Sabulina species present on Ellesmere Island can be found under S. rossii. Published as part of Desjardins, Émilie, Lai, Sandra, Payette, Serge, Dubé, Martin, Sokoloff, Paul C., St-Louis, Annie, Poulin, Marie-Pier, Legros, Jade, Sirois, Luc, Vézina, François, Tam, Andrew & Berteaux, Dominique, 2021, Survey of the vascular plants of Alert (Ellesmere Island, Canada), a polar desert at the northern tip of the Americas, pp. 181-225 in Check List 17 (1) on page 196, DOI:10.15560/17.1.181