Saxifraga daqiaoensis
| Saxifraga daqiaoensis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Saxifraga daqiaoensis | ||||||||||||
| FGWang & FWXing |
Saxifraga daqiaoensis is a plant from the family of the Saxifragaceae (Saxifragaceae).
description
Saxifraga daqiaoensis is a perennial plant that reaches a height of 12 to 18 cm. As a persistence organ, it forms a relatively short rhizome . The stem is hairless. The basal leaves are on 4 to 13 cm long petioles , the leaf blade is 3 to 6.4 × 3.8 to 8 cm in size, shield-shaped, kidney-shaped or circular. They are thick leathery, the tip is blunt, the base heart-shaped, the edge is slightly serrated or almost entire. The upper side of the leaf is covered with slightly stiff hairs with 4 mm long trichomes , the underside of the leaf is hairless, but dotted brown. Only a few stem leaves are formed, they are lanceolate to ovate and about 4 × 1 mm in size, the edge is ciliate with glandular lashes.
The panicle-shaped inflorescences are 8 to 17.5 cm high and consist of 17 to 27 flowers . The branches of the inflorescence are each 0.2 to 0.5 cm long, are hairless and consist of one to three flowers. The flower stalks are slender, 0.2 to 0.4 cm long and hairless. The five sepals are narrowly ovate, 4 × 1 mm in size, hairless on both sides and on the edge, the veins are inconspicuous. The five petals are white. Three of them are shorter, triangular in shape, 3.5 to 4 × about 2 mm in size, with three veins running through them, with a round to heart-shaped base, a pointed to short pointed tip and a claw about 1 mm in size. The other two petals are linear, 18 to 22 mm long, 3 mm wide, three-veined and have a base that is tapered piece by piece to a 2 mm long claw and a blunt tip. The stamens are 6 mm long. The two carpels are conical in shape below the central part. The ovary is epigyn, ovoid and about 4 mm long. The stylus are divergent and about 1.6 mm long.
Flowering time is between March and May.
Occurrence and etymology
Saxifraga daqiaoensis is only known from the type location in the Chinese province of Guangdong . It grows there on damp stones near a cave in the evergreen, secondary forest in limestone mountains at altitudes of 150 to 350 m.
The type epithet is derived from the name of the Daqiao community , where the type specimen was found.
swell
- Fa-Guo Wang, Yu-Shi Ye and Fu-Wu Xing: Saxifraga daqiaoensis (Saxifragaceae), a new species from Guangdong, China (PDF; 644 kB) . In: Ann. Bot. Fennici , Volume 45, 2008. pp. 237-239.