Monday, 2 October 2023

Beta vulgaris subsp. maritima 沿海甜菜、海甜菜

Common name: Sea Beet
Subspecies scientific name: Beta vulgaris subsp. maritima 沿海甜菜、海甜菜
Scientific name: Beta vulgaris 甜菜、菾菜、紅菜
Genus: Beta 甜菜屬、菾屬*

Family: Amaranthaceae 莧科, amaranth family

Remarks*: It is previously belonged to Chenopodiaceae 藜科, goosefoot family. It is then moved to Chenopodioideae 藜亞科 in Amaranthaceae in the APG III system.

Origin: native

Date:  23rd Aug

220 A much-branched, straggling perennial. (usually with red pigmentation in stems and leaves.- could not be seen in the above photo.)

221

226 Leaves to 10cm, usually thick glossy.

228

229 Underside of the leaf.

222 Large, branched inflorescence.

224

219 The tip of the inflorescence, many flower buds not yet open.

216 Flower buds.

214 Different stages of flowers.

217 Red-ridged flower stalk.

216 Flower bud.

215 Male flower, 5 tepals, 5 stamens and non-functional style. (or it is the male stage of a bisexual flower?)

214-1

214-2 Female flower, 5 tepals, 5 filaments without the anthers, 2 stigmas. (or the later female stage of a bisexual flower?)

214-3

212-1 Female flower with 3 stigmas.

Sunday, 1 October 2023

Honckenya peploides 冰漆姑

Common name: Sea Sandwort
Scientific name: Honckenya peploides 冰漆姑
Genus: Honckenya 冰漆姑屬
Family: Caryophyllaceae 石竹科, pink or carnation family

Remarks: It looks a bit like Sea-milkwort, Lysimachia maritima 海乳草 (belonged to Primulaceae 報春花科, primrose family), but sea sandwort has thicker stems with thicker leaves (like a green plastic toy plant), small white flowers at the shoot tips, and grows mainly on drier sand shingle.

Origin: native

Date: 28th July

424  A succulent maritime, dioecious perennial.

426. Plant with long, creeping stolons. Leaves glabrous, fleshy, 6-18mm.

427 Fruits globular, 8mm diameter, longer than sepals.

Dasiphora fruticosa 金露梅、金老梅、金蠟梅、藥王茶、棍兒茶

Common name: Shrubby Cinquefoil
Scientific name: Dasiphora fruticosa 金露梅、金老梅、金蠟梅、藥王茶、棍兒茶*
Genus: Dasiphora 金露梅屬
Family: Rosaceae 薔薇科, rose family

Remarks*: Its synonym is Potentilla fruticosa.

Origin: Native in Britain and Ireland and a neophyte (established after 1500 AD) in the Channel Islands. 

Date: 22th June

29 A deciduous, much-branched shrub, can reach up to about 1m. It could be dioecious (having one sex per plant) or hermaphrodite (having both sexes in a single plant).

019 Stem.

019-1 Stem. Notes narrow papery stipules at the base of the leaves

022

017 Leaves pinnate, with 5 leaflets with pointed tips. The 3 center leaflets joined at base, the otheres stalkless. Hairy both upper and lower surfaces.

018 Underside of the leaf.

015 Flower bud.

025 Flowers solitary (above) or in few-much inflorescence. Flower stalk hairy.

027

016

016-1 Underside of the flower showing 5 oval lanced sepals and 5 longer lance-like bracts. Both sepals and bracts are covered in fine hairs.

012

023 Flower 5 petals; 8-12mm in diameter. 

023-1 The flower above has both well-developed stamens and styles and is so a bisexual flower.

Wednesday, 27 September 2023

Rumex crispus subsp. littoreus

Common name: Curled Dock
Subspecies scientific name: Rumex crispus subsp. littoreus
Scientific name: Rumex crispus 皺葉酸模、土大黃、羊蹄葉
Genus: Rumex 酸模屬
Family: Polygonaceae 蓼科, knotweed or smartweed-buckwheat family

Remarks*: 

Origin: native

Date: 16th July

007 A tall erect perennial, can reach up to 100cm.

009

010 Leaves  lanceolate, narrow with strongly undulate or crisped margins, to 35cm.

011 Underside of the leaf.

001-1 Dense inflorescece. (vs open inflorescence in Rumex crispussubs. crispus)

005-1 Fruiting tepals triangular, without teeth, usually 3 tubercles, more or less equal, nuts equal to or more than 2.5mm (vs tubercules unequal or only 1, nuts equal to or less than 2.5mm in Rumex crispussubs. crispus)

Tuesday, 26 September 2023

Valeriana officinalis 纈草、歐纈草

Common name: Common Valerian
Scientific name: Valeriana officinalis 纈草、歐纈草
Genus: Valeriana 纈草屬*
Family: Caprifoliaceae 忍冬科, honeysuckle family

Remarks*: It is formerly placed in Valerianaceae 敗醬科, valerian family. The family is now catergorized as subfamily Valerianoideae 纈草亞科 of  Caprifoliaceae 忍冬科, honeysuckle family by APGI V.

Origin: native

Date: 19th July

289 A tall, erect, more or less glabrous perennial, can reach up to 150cm.

284 Bracts at the base of the inflorescence.

286 Upper leaves.

287 Leaves lower in the stem.

288 Leaves at much lower location of the stem. Leaves to about 20cm, pinnate with terminal leaflet, leaflets (entire or) irregularly toothed.

294 Ridged and hairy (at least at some location of the) stem.

295 Lower surface of the leaf.

291 Bracts at upper branch of the inflorescence. 

289-1 Dense terminal inflorescence.

289-2

282

292

281

282 The flower buds and the sepals.

281 Side view of the flowers showing the sepals, corolla tube and the petals.

292 The underside of the petals.

280

277

279 5 petals, 3 stamens and 1 style with 3 sigmas.

283 Fruiting now.