Parentucellia viscosa

Common name: Yellow Bartsia
Scientific name: Parentucellia viscosa
Genus: Parentucellia 腺鈴草屬
Family: Orobanchaceae 列當科, broomrape family

Origin: native

Remarks*: It is a hemiparasite on the roots of grasses. It is formly placed in Scrophulariaceae 玄參科, the figwort family.

Date: 9th Aug

90212 The habitat that yellow bartsia could be found.

90175 An erect, unbranched annual, can reach up to 50cm.

90211 An extraordinary tall specimen.

90200 Stem and calyx tube covered by sticky glandular hairs.

90200-1 The sticky glandular hairs on the stem and calyx tube.

90201 The leaves.

90204 The underside of the leaf.

90177 Flowers axillary.

90189

90189-1 The side view of the ridged calyx tube.

90187 The top view of the flowers.

90187-1

90178 The stigma is hanging out of the flower.

90186 Flower corolla 16-25mm, lower lip much longer than upper.

90177 The outer surface of the petals are also covered by glandular hairs.

90183

90194 Anthers could be seen just under the green stigma in this flower.

90188

90188 The fruit.

90216 The split open fruit.

90215 The black dots may be the seeds of this plant.

Rhinanthus minor 小鼻花, 小黃鼻, 小佛甲草

Common name: Yellow-rattle
Scientific name: Rhinanthus minor 小鼻花, 小黃鼻, 小佛甲草*
Genus: Rhinanthus 鼻花屬
Family: Orobanchaceae 列當科, broomrape family

Origin: native

Remarks*: It is a hemiparasite on the roots of grass. It is formerly placed in Scrophulariaceae 玄參科, the figwort family. 

Date: 26th July

Flowers in terminal leafy spike.

Leaves

It is similar to the Greater yellow-rattle, Rhinanthus angustifolius 窄葉鼻花, but the latter has paler green calyx, longer corolla, 17-20 mm whereas yellow-rattle, Rhinanthus minor, has darker green calyx, shorter corcolla, 12-15 mm.

It has a straight dorsal edge of corolla tube (the white structure above) whereas the Greater yellow-rattle, Rhinanthus angustifolius, has its dorsal edge of corolla tube concave towards base (curving upwards).

Stigma could be seen in the top middle flower . The two teeth (the purple structures above) of each flower are wider than they are long,  whereas the Greater yellow-rattle, Rhinanthus angustifolius, has the two teeth longer than wide.

Fruits: calyx (the brown structure above) is strongly inflated now.

Spit open fruit and seeds could be seen now.

Euphrasia officinalis

Common name: Eyebright
Scientific name: Euphrasia officinalis
Genus: Euphrasia 小米草屬*
Family: Orobanchaceae 列當科, broomrape family

Remarks*: It is formly placed in Scrophulariaceae 玄參科, the figwort family. All Eyebrights Euphrasia are hemiparasites on the roots of various grassland perennials. It is notorious for identifying different species of Euphrasia but the photos below could possibly be Euphrasia officinals because of the plant survey report from the nob end SSSI where the photos below were taken.

Origin: native

Date: 18th July

Odontites vernus

Common name: Red Bartsia
Scientific name: Odontites vernus
Genus: Odontites 療齒草屬
Family: Orobanchaceae 列當科, broomrape family

Origin: native

Remarks*: It is a hemiparasite on the roots of grasses. It is formly placed in Scrophulariaceae 玄參科, the figwort family.

Date: 18th July

Can reach to 50 cm

Erect, pubescent, usually branched, purple-tinted.

stigma could be seen protruding in the lowest flower above

corolla 2-lipped

fruit forming (22th Aug)