stringy stonecrop

(Sedum sarmentosum)

               
Conservation Status

IUCN Red List

not listed

 

No image available

 

 

NatureServe

NNA - Not applicable

Minnesota

not listed

Nativity

Native to China, Korea, and Thailand. Introduced, cultivated, and naturalized.

Occurrence

Uncommon outside of cultivation in Minnesota

   
Habitat

Moderately moist to dry. Open woodlands, banks of streams and rivers, parks, cemeteries, roadsides, and disturbed areas. Full sun to light shade. Loamy or rocky, calcareous or acidic soil.

Flowering

Spring

 
Flower Color

Yellow

 
Height

Matting: 2 to 11¾ (5 to 30 cm) long

 
 
Identification

Stringy stonecrop is an exotic, evergreen, succulent, flowering plant. It is native to China, Korea, and Thailand. It was introduced, cultivated as an ornamental ground cover, escaped cultivation, and is now naturalized in eastern North America and in central and eastern Europe. It now occurs throughout the eastern half of the United States. It is uncommon in Minnesota, which is at the western extent of its spread. It is found in open woodlands, banks of streams and rivers, parks, cemeteries, roadsides, and disturbed areas. It grows under full sun to light shade in moderately moist to dry areas on loamy or rocky, calcareous or acidic soil. It is drought tolerant and often forms loose mats.

Stringy stonecrop is perennial forb that rises from fibrous roots. Non-flowering (vegetative) stems are fleshy, branched, round in cross section, and 2 to 12 (5 to 30 cm) long. They are light green to white and hairless. They do not have a whitish, waxy coating (glaucous), and they are rarely tinged reddish or pinkish. They may lie flat on the ground (prostrate) or curve upward from the base (ascending). Where a node contacts the ground the stem produces roots. It may separate at this point creating a vegetative offset, a new plant.

Flowering stems are 2 to 8 (5 to 20 cm) long. They are unbranched, prostrate or ascending, and usually tinged reddish. They do not root at the nodes.

The leaves are mostly in well-spaced whorls of 3, sometimes opposite, and spread outward from the stem. They are stalkless and are attached slightly above the base, producing a pair of minute, pouch-like spurs below the attachment point. They are thick and succulent but flat in cross section, to 1316 (10 to 30 mm) long, and to ¼ (4 to 6 mm) wide. They gradually and only slightly reduce in size as they ascend the stem. The blades are narrowly oval and sharply pointed at the tip. They may be widest toward the tip (obovate), widest in the middle (elliptic), or straight-sided (linear). The upper and lower surfaces are hairless. They are not glaucous. The margins are untoothed.

The inflorescence is a 2- or 3-branched cluster (panicle) at the end of flowering stems. Each branch of the panicle terminates in a short, loosely ascending, somewhat zigzagged spike of a few flowers.

Each flower is about ½ wide. There are 5 outer floral leaves (sepals), 5 petals, 10 stamens, and 5 carpels, each with a single style. The sepals are green, fleshy, spreading, to 3 16 (3.5 to 5 mm) long, narrowly oblong lance-shaped, and bluntly pointed at the tip. Like the leaves, they have a pair of minute, pouch-like spurs at the base. The petals are yellow, 3 16 to 516 (5 to 8 mm) long, narrowly lance-shaped, and sharply pointed. The stamens have yellow stalks (filaments) and yellow anthers. The filaments are attached at the bases of the petals. The carpels are greenish-yellow.

The fruit is a brown, to ¼ (4.5 to 6 mm) long seed capsule (follicle) with many seeds. The fruits usually wither before reaching maturity and the seeds abort during development. With few viable fruits, it usually does not escape over long distances.

 
Similar
Species

Goldmoss stonecrop (Sedum acre) has much shorter stems and much smaller leaves. The leaves are alternate, crowded, overlapping, and egg-shaped.

 
Distribution Distribution Map  

Sources: 2, 3, 4, 22, 29, 30.

 
Comments

 

 
Taxonomy

Family:

Crassulaceae (stonecrops, orpins)

 

Subfamily:

Sedoideae

 

Tribe:

Sedeae

 

Subtribe:

Sedinae

 

Genus:

Sedum (stonecrop)

 
Synonyms

 

 
Common
Names

graveyard moss

stringy stonecrop

   

 

 

 

 

 

 

Glossary

Ascending

Curving upward from the base.

 

Carpel

The female reproductive organ of a flower, consisting of an ovary, styles, and stigmas.

 

Elliptic

Narrowly oval, broadest at the middle, narrower at both ends, with the ends being equal.

 

Filament

On plants: The thread-like stalk of a stamen which supports the anther. On Lepidoptera: One of a pair of long, thin, fleshy extensions extending from the thorax, and sometimes also from the abdomen, of a caterpillar.

 

Follicle

A dry fruit formed from a single carpel, containing many seeds, that opens at maturity along the seed-bearing seam.

 

Glaucous

Pale green or bluish gray due to a whitish, powdery or waxy film, as on a plum or a grape.

 

Linear

Long, straight, and narrow, with more or less parallel sides, like a blade of grass.

 

Oblong

Two to four times longer than wide with nearly parallel sides.

 

Panicle

A pyramidal inflorescence with a main stem and branches. Flowers on the lower, longer branches mature earlier than those on the shorter, upper ones.

 

Prostrate

Laying flat on the ground.

 

Sepal

An outer floral leaf, usually green but sometimes colored, at the base of a flower.

 

Spreading

Extending nearly horizontal.

       
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Other Videos
 
  Propagating and Transplanting Sedum Sarmentosum! This Stuff Grows SO FAST!
Wisconsin Wonder Garden
 
   
 
About

Jun 16, 2017

I wanted to take a little time out of my day to show you guys a little bit about the sedum sarmentosum that I have growing out back in several areas! This is a wonderful ground cover that will grow and spread quickly for you and also puts on a beautiful bright yellow flower :) Propagating this plant is very easy as it will root very readily and has no problem adjusting to all kinds of soil conditions.

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  Garden Story - bees and Sedum sarmentosum
FacingWestPatio
 
   
 
About

May 26, 2019

Lots of bees foraging on flowers of Sedum sarmentosum also known as stringy stonecrop, gold moss stonecrop, and graveyard moss.

   
       
  Sedum Sarmentosum - Graveyard Moss - Is It a Garden Thug?
Kim's Gardens
 
   
 
About

Jun 23, 2017

https://www.thehypertufagardener.com/sedum-sarmentosum/

If you want a fast-growing sedum, then this Sedum sarmentosum is the one. First of all, when you see fast-growing describing any plant, use a little bit of caution because that could mean you could be bringing in a runaway Garden Thug into your garden too! However, if you need a plant which comes back year after year in a place where you find it hard to grow anything, this would be it.

Read more about gardening with succulents and making hypertufa pots for them on my blog.

My email is: kimann@woh.rr.com

Check out my website: http://www.thehypertufagardener.com

Facebook: The Hypertufa Gardener Group https://www.facebook.com/groups/TheHypertufaGardenerGroup/

Video by: TheHypertufaGardener All Rights Reserved and protected against unauthorized use.

   
       

 

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Created: 9/5/2020

Last Updated:

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